Said its own engineers caused problem that rendered social networking site inaccessible for a time.
Imposes lock-outs on people trying to access service via an unauthorised Android app.
Le Monde said its account and publishing tool were hacked by a group called the "Syrian Electronic Army."
Report states social networking firm generated $227B worth of economic impact and 4.5M jobs in 2014.
Twitter and YouTube accounts hacked by people claiming to be sympathetic toward the Islamic State.
Microsoft launched test version of Skype Translator decoding conversations in Spanish and English.
Facebook is working on software that could prevent users posting unflattering photos of themselves.
Companies like Facebook and Twitter told to make it clearer to members how they collect and use their data.
Facebook is building a network for professionals to connect and collaborate on work-related documents.
Users of the separate Messenger app have more than doubled from 200 million in April, the company said.
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