This document discusses Snapchat, including its growth in numbers of users, the features that brands are using on the platform, and success stories from brands like MTV, Taco Bell, and Heineken in using Snapchat for marketing campaigns. It also profiles some influential Snapchat users ("influencers") like Michael Platco, Shaun McBride, and Evan Garber who have partnered with brands to create sponsored content for Snapchat. The document concludes by noting that while Snapchat was initially focused on personal communication, it is increasingly being used by brands and media companies to engage audiences.