Apple on Friday offered to fix some older iPhone 5 smartphones with flawed on-off buttons.

The California-based company said a "small percentage" of iPhone 5 models manufactured through March of 2013 may have on-off buttons that stop working or work intermittently, in a posting on its support website.

Facebook has bought the fitness app Moves, which helps users monitor daily physical activity and their calorie counts on a smartphone.

The two-year-old Finnish startup ProtoGeo, which developed the app, said Thursday it had been acquired by the U.S. social networking giant, and that key members of its team would be moving to the Facebook headquarters in Menlo Park, California.

Tech giants Apple, Google, Adobe and Intel settled a lawsuit Thursday that charged they had colluded to hold salaries down by agreeing to not poach each other's staff.

The four reached an agreement to settle all claims against them with lawyers for the plaintiffs in the case dating back to 2011, a statement from the San Francisco U.S. district court said.

Facebook launched Thursday FB Newswire, billed as an online trove of real-time information for journalists and newsrooms to mine while reporting on events or crafting stories.

In partnership with News Corp-owned Storyful, FB Newswire aggregates newsworthy content shared publicly at the social network, including original pictures, videos, and comments posted by "people on the front lines of major events" such as protests, elections and sports matches.

Pinterest late Thursday launched a tool to help people quickly sift through the roughly 30 billion 'Pins' on the service's online bulletin boards to find what they like.

In a move similar to one made last year by Facebook, Pinterest is tapping into its rich trove of user-posted content to tackle questions that traditional search engines such as Google or Bing don't handle well.

Google on Wednesday added virtual time travel to its Internet offerings.

The technology titan began letting people turn back the clock on Street View images to show how places have changed over the seven years it has been collecting pictures for its free online map service.

Facebook profits tripled to $642 million in the first quarter on a 72-percent surge in revenues helped by strong gains in mobile users and mobile advertising.

Demonstrating that it is successfully following the shift from personal computers to mobile devices -- which a year ago appeared to pose a huge challenge for the company -- Facebook said Wednesday that advertising revenues were up 82 percent to $2.27 billion from a year ago.

Apple on Wednesday courted investors with stock split plans as hot iPhone sales pushed up profits while underscoring pressure for the company to unveil "the next big thing."

Apple shares jumped more than seven percent to $566.15 in after-market trade following the release of January-March earnings figures showing profit of $10.2 billion on $45.6 billion in revenue.

WhatsApp now has 500 million regular, active users around the world, the free mobile messaging service being acquired by Facebook said.

That is up from an estimated 450 million as of late February, as the service's reach expanded rapidly in countries including Brazil, India, Mexico, and Russia.

U.S. Defense Secretary Chuck Hagel got a first-hand look at a life-size robot Tuesday that resembles Hollywood's "Terminator," the latest experiment by the Pentagon's hi-tech researchers.

But unlike the cinematic version, the hulking Atlas robot is designed not as a warrior but as a humanitarian machine that would rescue victims in the rubble of a natural disaster, officials said.