Twitter's free Vine app has been around for about two months, capturing six-second videos for sharing with the rest of the world. Now there's Vine Flip, a service that wants you to get offline and go analog with your brief masterpieces. Vine Flip does this by converting your videos into paper flipbooks.
Vine Flip is simple: you sign up for the service and then enter the URL for your Vine video on Vine Flip in your favorite browser. To get that URL, just tap the share button in the Vine app, then tap "Embed" and email the URL to yourself -- you'll have to remove the "/embed" portion. Click continue in Vine Flip, and you should see your Vine movie playing. Next you get to pick one of three covers, and then choose how many
