This document provides an overview and discussion of the Vine app, which allows users to create and share 6-second looping video clips. It notes that Vine was recently acquired by Twitter and that brands can use it to quickly create brief, sharable video content. While the short format provides challenges for storytelling, it also allows for timely responses to trends. The document outlines pros and cons for brands using Vine and recommends ways brands can engage audiences through sharing Vines and encouraging fan-generated content.