Crews searching for the missing Malaysian airliner are zeroing in on an area where a high-tech pinger detected two audio signals.
Officials say it could take days before they can confirm whether the signals came from the plane.
Two thirds of the world population does not have Internet access. Facebook already has more than a billion users on its service, but before it can sign up the rest of world it needs to get them online.
France's top consumer watchdog filed a lawsuit Tuesday against Facebook, Twitter and Google, accusing them of breaching Internet users' privacy, in the latest crackdown against data-collection policies.