Mixbit is a new app for sharing and editing short video clips. With several players already in the marketplace, why is this news? Because Mixbit is run by YouTube co-founders Chad Hurley and Steve Chen.

+ Facebook’s Instagram looked like it might bury Twitter’s Vine when the former added video-sharing to its suite of applications. But Vine is far from dead. Here’s Wired’s Mat Honan on why Vine just won’t die.

+ So why are some of the biggest names in technology placing so much emphasis on apps that let you share incredibly short video clips? Because they know that’s all your ever-shortening attention span can handle. (I only read the first six seconds of this article.)