Six seconds. That’s all it takes for a video to leave a lasting impression. Such is the idea behind Vine, a fast-growing mobile app from Twitter that allows you to create short video clips. The platform is easy to use — touch your phone’s screen to record, lift your finger to stop and freely resume recording as often as you want. You can post videos, or “vines,” directly to Facebook, YouTube and, of course, Twitter. To read more, click here.