A Facebook tool that let people check whether friends were safe after deadly attacks in Paris will be used more widely in the future, the social network said.
A Belgian court gave Facebook 48 hours to stop tracking Internet users who do not have accounts with the US social media giant, or risk fines of up to 250,000 euros ($269,000) a day.
Facebook chief executive and founder Mark Zuckerberg said he believes India will be crucial to getting "the next billion online" and helping to alleviate poverty.
Facebook, making a bigger push to deliver personalized information to its members, said it was expanding its mobile alerts to include sports scores, weather updates and local news updates.
Facebook billionaire Mark Zuckerberg and his doctor wife revealed plans to start a private school in a hardscrabble Silicon Valley town, mixing education with health care.
Standing side-by-side with Mark Zuckerberg, Indian Prime Minister Narendra Modi made a rock star appearance at Facebook, advocating for the political power of social media.
The tech world will have its eyes on Apple, expecting new versions of the company's coveted iPhone but hoping for magic in the form of unexpected innovation.