Twitter has Vine and Periscope. Snapchat has Our Stories. Now Facebook has a viral video app of its own: Riff. In a push to make videos stickier on the social network, Facebook on Wednesday launched ...

Instagram Reels has added a new feature that shows you a feed of videos that your friends liked. It's meant to help you bond with friends over videos, Insta says, but it could get weird. The "with ...