4 Startups: Taking the Pulse of the Twittersphere

Josh Catone examines four startups that are trying to build off the success of Twitter and provides their pluses and minuses. These are: Twitter Census, Twitter Answers, Straw Poll and TwittPoll. So, do you want to pitch in and provide your favorites and argue about the pros and cons of each? (read full story at: readwriteweb.com)