This document discusses how Twitter aims to organize the world's information and allow people to share thoughts. It argues that Twitter could be used for political polls, tracking public health trends, gauging marketing and business trends, and monitoring media ratings. However, it also notes that Twitter faces problems with stability as a centralized platform that could be shut down, and that it operates in a closed environment subject to interference. It concludes that microblogging has become too important for any single vendor like Twitter to dominate the field alone.