The document discusses potential future directions for Twitter, including: 1) Allowing third-party apps to integrate more deeply within tweets through "Twitter cards". 2) Developing more marketing apps and services that can extend beyond the 140 character limit. 3) Twitter potentially becoming more of a portal to other sites and content through expanded tweets and APIs. 4) Using algorithms to deliver more personalized and dynamic content to users based on their interests, demographics, influences, and devices.