A plate of Efo Riro In South Western Nigeria , there is a type of vegetable soup we, the Yoruba called "EFO RIRO". This type...

© Noah Berger/AP Facebook spent over $150 million on a free app used by millions four years ago. Today that app, called Onavo, has b...

Image by Carl Court—Getty Images Facebook is making a big effort to boost its video presence with the launch of Watch, a new subsectio...