Most of us learned just last week that Vine's mobile app will be shutting down. But some of the platform's biggest stars have suspected for months that the end was near - because they all left Vine as ...

Marsha Collier was in the middle of an online chat a couple of weeks ago when her boyfriend, Curt Buthman, unexpectedly messaged her with a link. She clicked on it, opening an endlessly repeating ...