The scientific journal that published a study by Facebook and two U.S. universities examining people's online mood swings regrets how the social experiment was handled.

In a note of contrition, the Proceedings of the National Academy of Sciences concluded that the decision to manipulate the content appearing on the Facebook pages of about 700,000 people without their prior consent may have violated some principles of academic research.

Heavy Twitter use can lead to conflicts and other damaging effects on marriages and romantic relationships, a study said Thursday.

The study followed up on previous research which showed similar impacts for Facebook and raises questions about whether social network use in general is bad for relationships.

More than 70,000 people have already asked Google to delete links about them under Europe's "right to be forgotten" ruling, with some of the world biggest news sites the first to be hit.

The search engine has restricted access to a BBC blog posting and several British newspaper stories under a legal ruling granting people a right to be "forgotten" in search engines, it emerged on Thursday.

New Android wristwatches from Samsung and LG make a few evolutionary advances, though I won't be rushing out to buy either.

Samsung's Gear Live and LG's G Watch are good products and will appeal to those who like to be among the first to own new gadgets.

The display manufacturing unit of Samsung Electronics Co. says it has secured approval from Vietnam to build a $1 billion factory in the Southeast Asian country.

Samsung Display Co. said Thursday that the plant in northern Vietnam will supply small displays for Samsung smartphones and tablet computers starting sometime next year.

British regulators are investigating revelations that Facebook treated hordes of its users like laboratory rats in an experiment probing into their emotions.

The Information Commissioner's Office said Wednesday that it wants to learn more about the circumstances underlying a 2-year-old study carried out by two U.S. universities and the world's largest social network.

Facebook on Wednesday announced a deal to buy online video advertising technology company LiveRail.

The companies did not disclose how much Facebook is paying for seven-year-old LiveRail.

The National Security Agency programs that collect huge volumes of Internet data within the United States pass are constitutional and employ "reasonable" safeguards designed to protect the rights of Americans, an independent privacy and civil liberties board has found.

In a report released Tuesday night, the bipartisan, five-member Privacy and Civil Liberties Oversight Board, appointed by President Barack Obama, largely endorsed a set of NSA surveillance programs that have provoked worldwide controversy since they were disclosed last year by former NSA systems administrator Edward Snowden.

Federal regulators are urging consumers to go through their phone bills line by line after they accused T-Mobile U.S. of wrongly charging customers for premium services, like horoscope texts and quirky ringtones, the customers never authorized.

The Federal Trade Commission announced Tuesday that it is suing T-Mobile in a federal court in Seattle with the goal of making sure every unfairly charged customer sees a full refund. The lawsuit, the first of its kind against a mobile provider, is the result of months of stalled negotiations with T-Mobile, which says it is already offering refunds.

Microsoft on Tuesday said it is scrambling Outlook email messages in transit to thwart spying by governments or others.

Toughened encryption at Outlook and Microsoft OneDrive online "cloud" data storage service came less than a month after the technology titan got low marks in a Google ranking of such defenses against online snooping.