This is important because: The idea is simple: if you’re listening to something you love, you can now send it to TikTok in a couple of taps. OK, what’s next? Users should check their Amazon Music app.

"Do it for the Vine" was the unofficial slogan of the now-defunct, once wildly popular short-form video app Vine. You'd hear people shout it from behind their phone cameras as they filmed their ...