Vine's offering up the latest update to the iOS version of the video sharing app. Nope, it's not an Instagram-inspired lengthening. Instead, version 1.3 brings a handful of new tools to the micro-video service, assuring that you make the best six second film possible, including grid, focus and ghost. The app's also adding 15 new content channels like music, nature and comedy, each of which has its own distinct theme and Popular feed. Revining, meanwhile, makes it easier to share friends' videos and On The Rise, shows you up and coming Viners. Also new is protected posts, so you don't have to let the whole world in on your video brilliance, if you're the shy sort.