Vines can now include 140-second video attachments

Twitter-owned Vine rose to prominence with its looping 6-second videos, a creative constraint that created a notably diverse and entertaining playground. But almost four years after launching, the company has seen its early lead in social video evaporate in the face of competition from the likes of Facebook, Snapchat, and newer players like Musical.ly. In part that's because the platform hasn't evolved: while vines are organized differently in the app than they used to be, it's fundame