Desktop search declined for the first time in 2012, report says

Looks like those reports last year suggesting that desktop search is in decline were correct: total searches dropped 3 percent in 2012, according to a new report from ComScore.

The main reason for the decline, according to the report, is that individuals are searching less: about 7 percent fewer searches per user. That's enough to cause the decline, even though the number of searchers is up 4 percent.

Of the major search engines, only Bing saw an increase in searches per user: 6 percent, ComScore said.

U.S. desktop search trends for 2012.

(Credit:
ComScore)

ComScore names two possible reasons for the decline: the move toward vertical search -- Amazon for products, Facebook for people, and so on -- and the shift to mobile devices. Vertical search is ascendant, according to the report, rising 8 percent last year. That should only accelerate in 2013, as Facebook -- where Internet users spend more than 10 percent of all their time online -- continues to develop its Graph Search feature.

"The search market is at a bit of a crossroads with the market having stabilized in many respects, and while it is still extraordinarily profitable, there seems to be a desire to see the market evolve and deliver new value to consumers," the report's authors write.

To the surprise of no one, Google remains the dominant player in U.S. desktop search, and accounts for two out of every three searches. (That's up less than 1 percent over last year.) Bing is No. 2 with 16.3 percent market share, up 1.2 percent. Yahoo is in third place at 12.2 percent, and Ask Network is fourth with 3 percent. AOL has 1.8 percent of the search market.

The good news for Google: it has moved to take advantage of both the move to vertical search and the shift to mobile. Google's share of the mobile search market is estimated at more than 95 percent, and it continually rolls out new features for product search, flight search and other verticals.

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Body in burned cabin ID'd as Christopher Dorner

(CBS News) BIG BEAR LAKE, Calif. - Remains of a man who was in a burned California cabin on Tuesday have been positively identified as belonging to that of Christopher Dorner, the former LAPD officer who was suspected of killing four people and was the subject of an intense manhunt, officials confirmed.

The San Bernardino County Coroner's office said the positive identification was made through dental records.

The final hours of the manhunt for Christopher Dorner began when Jim and Karen Reynolds opened the door of one of their rental condos.

Police fill in the blanks on Dorner's last day
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"We had come into the living room and he opened the door and came out at us," said Karen.

"He had the gun drawn," added Jim.

A man believed to be Dorner tied them up.

"He talked to us, trying to calm us down," said Karen, "and saying very frequently he would not kill us."

He then took their car. "We listened for probably a minute or two, wanted to make sure he was gone," said Jim, "sounded quiet. And then we started struggling trying to get loose."

They called 911, triggering a chain of events that ended with Tuesday's shootout in which two sheriffs deputies were shot. Thirty-five-year-old Jeremiah MacKay died from his wounds.

The firefight that we witnessed was intense and we were forced to take cover - however, we left his cell phone on. Early in the standoff you could hear officers suggesting burning the suspect out.

One officer can be heard saying, "Burn that ------ out , burn it down, ------ burn this mother-----"

Four more hours would pass before police used high-powered tear gas. The canisters are known to be a fire hazard.

"We did not intentionally burn down that cabin to get Mr. Dorner out," San Bernandino Sheriff John McMahon had said.

Dorner's body was found in the ashes. It's unclear if the cause of death was from the fire -- or a single shot we heard moments after the cabin ignited.

Meanwhile, investigators looking through a trash bin in Irvine, California, where the first two victims were killed, recovered Dorner's badge, a police uniform, and a high-capacity ammo magazine.

CBS News asked San Bernardino County Sheriff's Department about the audio we recorded, and they declined to comment.

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Dorner Confirmed Dead in Autopsy on Cabin Remains

Christopher Dorner, the ex-Los Angeles police officer who declared himself on a killing spree against his former law enforcement colleagues, is dead.

Authorities this evening confirmed that remains found after a fiery standoff at a California mountain cabin Tuesday were, in fact, Dorner's.

"The charred human remains located in the burned out cabin in Seven Oaks have been positively identified to be that of Christopher Dorner," the San Bernardino County Sheriff-Coroner's Office said in a written statement. "During the autopsy, positive identification was made through dental examination."

FULL COVERAGE: Christopher Dorner Manhunt

PHOTOS: Former LAPD Officer Suspected in Shootings

In a 6,000-word "manifesto," Dorner outlined his anger at the Los Angeles Police Department for firing him, and made threats against individuals he believed were responsible for ending his career with the police force five years ago. Dorner was fired after filing what the LAPD determined to be a false report accusing other cops of brutality.

Dorner is suspected of killing four people, including Monica Quan and her fiance, who were found shot to death Feb. 3. Quan was the daughter of former LAPD Capt. Randal Quan, who was mentioned as a target of Dorner's fury in the manifesto.

Christopher Dorner Hostages: 'He Just Wanted to Clear His Name' Watch Video

Christopher Dorner Believed Dead After Shootout With Police Watch Video

Christopher Dorner Believed Dead After Shootout with Police Watch Video

Dorner is also suspected in the shooting death of Riverside, Calif., Police Officer Michael Crain, whose funeral was Wednesday.

San Bernardino Sheriff's Deputy Jeremiah MacKay, 35, a 15-year veteran and the father of two children, was killed in Tuesday's shootout at the cabin.

A second San Bernardino County sheriff's officer had to undergo multiple surgeries after he was wounded in the cabin shootout, and other officers also were wounded in earlier alleged encounters with Dorner.

After Crain's death, police tracked Dorner to the Big Bear Lake area of Southern California, where his burning truck was found in the mountains late last week.

A couple with a cabin in the area were some of the last people to see Dorner before his final encounter with police. Their 911 call to police triggered a chase that concluded with the fiery standoff at the nearby cabin.

The couple, Karen and Jim Reynolds, said at a news conference Wednesday that their ordeal lasted a few minutes but seemed like hours.

The Reynolds believe Dorner, 33, was holed up starting Friday in their unoccupied cabin in Big Bear, Calif., only steps from where police had set up a command center.

"He said four or five times that he didn't have a problem with us, he just wanted to clear his name," Jim Reynolds said. "He said, 'I don't have a problem with you, so I'm not going to hurt you.'"

Dorner tied their arms and put pillowcases over their heads before fleeing in their purple Nissan, the couple said.

Before he fled, the couple said Dorner told them that he had been watching them before he took over their cabin. Dorner told the couple he could tell they were "hard working, good people."

"He had been watching us and saw me shoveling the snow Friday," Jim Reynolds said.

They say they may have left the cabin door unlocked and that could have been the reason Dorner was able to enter undetected.

Dorner remained "calm and meticulous" throughout the harrowing ordeal, the couple said.

The Reynolds walked into their cabin around noon Tuesday when they came face-to-face with Dorner. There was no question in their minds who he was -- the suspected cop killer at the center of one of the largest manhunts in recent memory.

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Key U.S. general backs keeping Afghan forces at peak strength

WASHINGTON (Reuters) - The U.S. general nominated to oversee a vast region that includes Afghanistan on Thursday backed keeping Afghan forces at a peak strength of 352,000, contrary to current plans to shrink them after NATO declares the war over next year.

General Lloyd Austin, nominated to lead the U.S. military's Central Command, said at his Senate confirmation hearing that a more robust Afghan force, while more costly, would "hedge against any Taliban mischief" following America's longest war.

"Keeping the larger-size force would certainly reassure the Afghans, it would also reassure our NATO allies that we remain committed," Austin said.

The comments came two days after President Barack Obama announced in his State of the Union address that 34,000 U.S. troops - roughly half of the current U.S. force in Afghanistan - would be withdrawn by early 2014.

Obama reassured Americans that the costly, unpopular war was coming to an end, but he left unanswered bigger questions about America's exit strategy, including how many U.S. troops would stay in the country beyond 2014 to help train and advise the Afghans and to battle remnants of al Qaeda.

Obama also did not discuss the future size of the Afghan forces, although a White House fact sheet sent out after his address noted they would remain at 352,000 until "at least" early 2015.

Austin warned the Taliban would be waiting to test them.

"You could reasonably expect that an enemy that's been that determined, that agile, will very soon after we transition begin to try to test the Afghan security forces," Austin said.

Under current plans, the United States and its NATO allies will help build up the Afghan armed forces to 352,000 personnel, a number they are approaching, but the size of the force - which the allies will continue to fund - will be trimmed to 230,000 after 2015.

ECHOES OF IRAQ

The hearing frequently moved away from questions about the Afghan war and other current events to questions about Austin's past role as commander in Iraq, when a failure to strike an immunity deal for U.S. troops led to their total withdrawal in 2011.

Obama administration officials have warned that failure to strike an immunity deal with Afghanistan would also result in a pullout, but Afghan President Hamid Karzai and U.S. officials have expressed confidence a deal can be reached.

Republicans, who have criticized Obama's drawdown strategy in Afghanistan, noted that the president would have left a much smaller force in Iraq than Austin recommended, even if a deal had been struck.

Senator John McCain of Arizona lamented the lack of a U.S. presence in Iraq.

Pressed by Republicans, Austin acknowledged that the situation in Iraq was trending in a "problematic" direction, and agreed that a continued U.S. role would have helped bolster Iraqi forces.

When it came to Afghanistan, Senator Lindsay Graham of South Carolina warned Austin that if Obama sought an insufficient force for the post-2014 mission, he would refuse to vote for funding the war effort.

"It can be as low as 9 or 10,000, that I will stand with them," Graham said.

"If they overrule the commanders and create a force that cannot in my view be successful, I cannot in good conscience vote to continue this operation."

Graham said he would vote for Austin's confirmation once Austin spoke with the former commander of the Afghan mission, General John Allen, about his recommendations to Obama and reported back to the committee about his opinion.

(Reporting by Phil Stewart; Editing by David Brunnstrom)

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Obama says public deserves to know more on drones

WASHINGTON: President Barack Obama said Thursday that Americans needed more than just his word to be assured he was not misusing his powers in waging a secret drone war overseas.

The president was asked about the debate over the deadly tactic, a backbone of the US campaign against Al-Qaeda, and whether the Constitution allows the use of drones against Americans who have turned against their country.

"It is not sufficient for citizens to just take my word for it that we are doing the right thing," Obama told an online forum sponsored by Google.

The president, who has said he is working with Congress to provide more oversight of the clandestine drone war against Al-Qaeda, was also asked what was to stop the US government from using unmanned aerial vehicles at home.

"There has never been a drone used on an American citizen on American soil," Obama said in the Google Plus "Fireside Hangout."

"The rules outside the United States are going to be different than the rules inside of the United States in part because our capacity, for example, to capture terrorists in the United States is going to be very different than in the foothills or mountains of Afghanistan or Pakistan.

Debate about the use of drones has slowly been mounting following the September 2011 killing in Yemen of cleric Anwar al-Awlaki, a senior Al-Qaeda operative who was an American citizen.

The president said that he was working with Congress to ensure that the public was also able to understand the constraints and legal rationales of the US drone war.

"I am not somebody who believes that the president has the authority to do whatever he wants, or whatever she wants, whenever they want, just under the guise of counter terrorism," he added.

"There have to be checks and balances on it."

Some observers, including prominent senators, are considering whether a special court should monitor the secret drone war.

Missiles fired from unmanned aircraft have become the Obama administration's weapons of choice in its war against Al-Qaeda.

The administration's legal rationale for the targeted killings was leaked to the media ahead of Senate hearings last week on the nomination of Obama's top counterterrorism adviser John Brennan to head the CIA.

The guidelines allow the use of drone strikes against US citizens suspected of being senior Al-Qaeda operatives, even if there is no evidence they are actively plotting an attack.

Some administration critics have questioned the legality of drone strikes against US citizens, while others fear that raining death from the skies may do more harm than good in increasing anti-US sentiment.

- AFP/jc

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Apple claims Einhorn lawsuit tries to hold investors 'hostage'

Apple accused an activist hedge fund manager of attempting to hold investors "hostage" in his effort to get the electronics giant to share more of its massive cash reserves with investors.

The charge came today in Apple's response to a lawsuit filed last week by Greenlight Capital, which asserts that the company needed to distribute preferred stock to current shareholders and that Apple had balked at the idea when it was first discussed. The filing comes a day after Apple CEO Tim Cook called the lawsuit a "silly sideshow."

"Shareholders should not be held hostage to plaintiffs' attempts to coerce Apple into an agreement that serves plaintiffs' financial interests," Apple said in its 27-page response (see below), adding that "the proposed injunction would harm the public interest."

Apple's latest proxy statement, which details items up for a vote at its February 27 shareholder meeting, includes a proposal that would eliminate "blank check" preferred stock. Greenlight Capital, which is run by the famed short seller David Einhorn, seeks an injunction to prevent Apple from bundling that provision with several other items. He wants each item to be voted on separately.

Apple claims in its response that the proposal does not constitute "improper bundling" because though the proxy identifies separate aspects of the proposal, shareholders are being asked only whether to amend the articles.

"There are numerous examples of proxy proposals that combine multiple changes to a single corporate document, including elimination of the 'blank check' authority to issue preferred stock," Apple stated.

Apple also called the suggestion of issuing an amended proxy "unworkable" because it would impose "millions of dollars" in administrative costs and delay a shareholder meeting.

"In short, plaintiffs cannot show any hardship of not obtaining injunctive relief, much less hardship that is greater than the financial harm to Apple and its shareholders of not having Proposal No. 2 put to a vote," Apple said in its filing, which noted that the proxy filing was submitted to the Securities and Exchange Commission for review but raised no red flags.

Apple Chief Financial Officer Peter Oppenheimer stated in a court declaration that during a conference call on February 6 Einhorn referred to the necessity of shareholder approval for issuance of new stock a "roadblock" that would just "make it harder." Einhorn said during the call that he wanted to "take the risk away," Oppenheimer said.

CNET has contacted Greenlight Capital for comment on the filing and will update this report when we learn more.

Einhorn has described Apple as a phenomenal company but one that's too cautious with its cash.

"It has sort of a mentality of a depression," Einhorn said during a CNBC interview last week. "In other words, people who have gone through traumas -- and Apple's gone through a couple traumas in its history -- they sometimes feel they can never have enough cash."

Speaking during a Goldman Sachs conference in San Francisco yesterday, Cook disputed those claims and said the company makes "bold and ambitious" bets on products while being conservative financially. He noted that Apple invested about $10 billion in capital expenditures last year and that it will spend a similar amount this year along with investing in retail stores, distribution, R&D, supply chain, and acquisitions.

"I don't know how a company with a Depression-era mindset would have done all those things," Cook said.

The company has defended its management of its cash reserves, which totaled more than $137 billion in cash and securities as of December, saying it has already delivered $10 billion of its plan to return $45 billion to shareholders over three years. It reinitiated a dividend last year and also has plans to buy back stock.

Apple Response to Einhorn suit by CNET News

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American, US Airways set to clinch merger

(MoneyWatch) American Airlines and US Airways (LCC) are set to announce a merger that would create the world's biggest carrier.

Under the deal, which is expected to be unveiled Thursday if the timeline isn't moved up sooner and there are no last-minute snags, the combined airline would keep the "American" name. It would still require federal approval, although that is virtually ensured. US Air CEO Doug Parker is expected to lead the combined company.

A merger of US Air and American would surpass a 2010 tie-up between United Airlines (UAL) and Continental and a 2008 deal joining Delta (DAL) and Northwest. The merged American would be the largest carrier and sport a market valuation of roughly $10 billion.

Although airlines tout such consolidation as a way to cut costs and expand service amid intense competition, whether industry mergers raise fares is an open question. Many analysts say yes because reduced competition in any business often results in higher prices. One study found that ticket prices went up more than 20 percent between Detroit and Atlanta after Delta bought Northwest. Fares went up more than 30 percent on routes between Chicago and Houston, as well as Newark to San Francisco, after the United-Continental deal.

In seeking to run more efficiently, merging airlines also often cut capacity and eliminate routes. 

Play Video

American close to merger with U.S. Airways

Other analysts are more optimistic about the potential benefits to travelers. They say the three largest U.S. airlines still must compete with discount carriers such as Southwest (LUV), which has flourished for years by offering low-cost flights and no-frills service.

The consolidation trend is largely blamed on the price of fuel. Oil now costs so much more per barrel than it did 10 years ago that one analyst says the margin of profit on many flights has shrunk to the value of a single seat. That means an airline can lose money if it flies with one single empty middle seat. The days of elbow room are over.

American Airlines has been operating under court supervision since declaring bankruptcy in November 2011.

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Ship Stranded: Love Boat to Horror Honeymoon

A Texas couple's fantasy wedding quickly turned into a nightmare honeymoon when the fire-damaged Carnival Cruise ship carrying them became stranded in the Gulf of Mexico.

Rob Mowlam, 37, and Stephanie Stevenson, 27, of Nederland, Texas, got married on the Carnival Triumph on Saturday. The four-day cruise was meant to be back to shore on Monday, but was left disabled by an engine fire on Sunday.

The ship is being slowly towed to shore and is expected to dock in Mobile, Ala., on Thursday if weather permits. The vessel is without air conditioning, many working toilets and some restaurant service. Passengers, many who are sleeping in tents on deck, have told ABC News the smell on the ship is foul.

That is the honeymoon setting for Mowlam and Stevenson.

"[Rob Mowlam] had been with his girlfriend, or fiance, for a long period of time and they just took the next step," Mowlam's brother James Mowlam III told ABCNews.com. "The captain is the king of the world when they're on the boat and he hitched them up."

James Mowlam said he was shocked when he heard about the stranded boat and the increasingly dire conditions on the ship.

"It is an atrocious scene to be subjected to," he said.

Mowlam said he has not been able to communicate with his brother, but that his father has had sporadic communication with him.

"It would be my guess that this would probably not be on anyone's great list of memorable wedding experiences," Mowlam said with a laugh. "Although, my mom told him that she was hoping they had a memorable wedding and I think this would classify as a memorable wedding experience."

Lt. Cmdr. Paul McConnell/U.S. Coast Guard/AP Photo

Carnival Cruise Ship Making Its Way to Port Watch Video

Carnival Cruise Ship Stranded for Third Day Watch Video

Carnival Cruise Ship Stranded off Yucatan Peninsula Watch Video

The bride's brother, Justin Davis, told ABCNews.com that his sister works for a doctor's office and the cruise was a gift from the doctor to the staff.

Davis has not been able to speak to Stevenson but said that her two young sons are being cared for by her mother. He said his sister is tough and he guesses she's probably not scared.

"She might be a little aggravated at the situation, but I'd say she's [probably] handling it really well," he said.

Others on the ship do not seem to be handling the situation so well.

Elderly and disabled passengers aboard the ship are struggling to cope with the worsening conditions, according to at least one passenger.

"Elderly and handicap are struggling, the smell is gross," passenger Ann Barlow text-messaged ABC News overnight. "Our room is leaking sewage."

The head of Carnival Cruise Lines said the British-U.S.-owned company was working hard to ensure the thousands of passengers stranded on the disabled ship were as comfortable as possible while the vessel was being towed to a port in Alabama.

"I need to apologize to our guests and to our families that have been affected by a very difficult situation," Carnival Cruise Lines president and CEO Gerry Cahill said at a news conference Tuesday evening.

It was the first time since a fire erupted in Triumph's engine room Sunday, knocking out its four engines, that a company representative had spoken publicly. The Triumph, with roughly 4,200 people on board, was left bobbing like a 100,000-ton cork for more than 24 hours. Giant sea-faring tugboats then hooked up to the ship and began towing the nearly 900-foot-long ship to land.

Carnival spokeswoman Joyce Oliva told The Associated Press Tuesday that a passenger with a pre-existing medical condition was taken off the ship as a precaution. Everyone else will likely have to weather conditions such as scarce running water, no air conditioning and long lines for food.

Back on land, passenger Barlow's 11-year-old twins told ABC News Tuesday they are worried as more passengers continue to talk about living with limited power and sanitation.

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Ovation for Pope Benedict at final public mass

VATICAN CITY (Reuters) - A capacity crowd in St Peter's Basilica gave Pope Benedict a thunderous standing ovation on Wednesday at an emotional last public Mass before he resigns at the end of the month.

"Thank you. Now, let's return to prayer," the 85-year-old pontiff said, bringing an end to several minutes of applause that clearly moved him. In an unusual gesture, bishops took off their mitres in a sign of respect and a few of them wept.

One of the priests at the altar, which according to tradition rests above the tomb of St Peter, took out a handkerchief to dry his tears.

The Mass was moved to St Peter's from a venue in Rome so more people could attend. Hundreds of others waited outside.

Hours earlier in the Vatican's modern audience hall, a visibly moved Benedict tried to assure his worldwide flock, saying he was confident his decision to step down would not hurt the Church.

The Vatican, meanwhile, announced that a conclave to elect his successor would start sometime between March 15 and March 20, in keeping with Church rules about the timing of such gatherings after the papal see becomes vacant.

"Continue to pray for me, for the Church and for the future pope," he said in unscripted remarks at the start of his weekly general audience, his first public appearance since his shock decision on Monday that he will step down on February 28.

It was the first time Benedict, 85, who will retire to a convent inside the Vatican, exchanging the splendor of his 16th century Apostolic Palace for a sober modern residence, had uttered the words "future pope" in public.

Church officials are still so stunned by the move that the Vatican experts have yet to decide what his title will be and whether he will continue to wear the white of a pope, the red of a cardinal or the black of an ordinary priest.

His voice sounded strong at the audience but he was clearly moved and his eyes appeared to be watering as he reacted to the thunderous applause in the Vatican's vast audience hall, packed with more than 8,000 people.

In brief remarks in Italian that mirrored those he read in Latin to stunned cardinals on Monday he appeared to try to calm Catholics' fears of the unknown.

He message was that God would continue to guide the Church.

EXAMINATION OF CONSCIENCE

"I took this decision in full freedom for the good of the Church after praying for a long time and examining my conscience before God," he said.

He said he was "well aware of the gravity of such an act," but also aware that he no longer had the strength required to run the 1.2 billion member Roman Catholic Church, which has been beset by a string of scandals both in Rome and round the world.

Benedict said he was sustained by the "certainty that the Church belongs to Christ, who will never stop guiding it and caring for it" and suggested that the faithful should also feel comforted by this.

He said that he had "felt almost physically" the affection and kindness he had received since he announced the decision.

When Benedict resigned on Monday, the Vatican spokesman said the pontiff did not fear schism in the Church after his resignation.

Some 115 cardinals under the age of 80 will be eligible to enter a secret conclave to elect his successor.

Cardinals around the world have already begun informal consultations by phone and email to construct a profile of the man they think would be best suited to lead the Church in a period of continuing crisis.

The conservative Benedict has appointed more than half of the cardinals who will elect his successor so it is unlikely the new man will tamper with any teachings such as the ban on artificial birth control or women priests.

But many in the Church have been calling for the election of someone who they say will be a better listener to other opinions in the Church.

The likelihood that the next pope would be a younger man and perhaps a non-Italian, was increasing, particularly because of the many mishaps caused by Benedict's mostly Italian top aides.

Benedict has been faulted for putting too much power in the hands of his friend, Secretary of State Cardinal Tarcisio Bertone. Critics of Bertone, effectively the Vatican's chief administrator, said he should have prevented some papal mishaps and bureaucratic blunders.

ILL-SERVED POPE

"These scandals, these miscommunications, in many cases were caused by Pope Benedict's own top aides and I think a lot of Catholics around the world think that he was perhaps ill-served by some of the cardinals here," said John Thavis, author of a new book, The Vatican Diaries.

Benedict's papacy was rocked by crises over sex abuse of children by priests in Europe and the United States, most of which preceded his time in office but came to light during it.

His reign also saw Muslim anger after he compared Islam with violence. Jews were upset over rehabilitation of a Holocaust denier. During a scandal over the Church's business dealings, his butler was accused of leaking his private papers.

"When cardinals arrive here for the conclave ... they are going to have this on their mind, they're going to take a good hard look at how Pope Benedict was served, and I think many of them feel that the burden of the papacy that finally weighed so heavy on Benedict was caused in part by some of this in-fighting (among his administration)," Thavis told Reuters.

Vatican spokesman Father Federico Lombardi urged the faithful to remain confident in the Church and its future.

"Those who may feel a bit disorientated or stunned by this, or have a hard time understanding the Holy Father's decision should look at it in the context of faith and the certainty that Christ will support his Church," Lombardi said.

Lombardi said that on his last day in office, Benedict would receive cardinals in a farewell meeting and after February 28 his ring of office, used to seal official documents, would be destroyed just as if he had died.

(Reporting by Philip Pullella; Editing by Giles Elgood)

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Zuckerberg owns nearly a third of Facebook: US regulators

SAN FRANCISCO: Mark Zuckerberg's stake in Facebook has climbed to nearly 30 percent since the leading social network made its dismal stock market debut, according to a filing Wednesday with US regulators.

Zuckerberg owns 632.65 million Facebook shares as compared with the slightly more than 500 million he held in September when the stock's sagging price prompted a promise he would not sell any for at least a year.

Zuckerberg sold about 30 million shares when the Menlo Park, California-based social network made its stock market debut in May at an opening price of $38.

Shares slid to a low of $17.55 in September but have regained ground, trading at $28.04 at the close of trading on the Nasdaq exchange on Wednesday.

Securities and Exchange Commission filings show Zuckerberg has been building his stake Facebook, the potential of which he contends is underestimated by the market.

One SEC filing showed that Zuckerberg acquired 18 million Facebook shares in mid-December at a price of zero, indicating they were tied to his compensation as chief of the social network.

-AFP/gn

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