Snapchat , known for its fleeting images and videos, surprisingly debuted a full-length music video from Madonna on Thursday. Madonna’s “Living for Love” appears in Snapchat’s newly launched Discover tab , a feature that has transformed the ephemeral messaging app into a more robust media platform that’s primed to attract more music videos, trailers and even original series. Meanwhile, Facebook has debuted videos from such artists as Alicia Keys, Ed Sheeran, Jay Z, and Bruno Mars.
