Twittering with Mathematica
The popularity of Twitter has really exploded in the past few months. The service poses a simple question: "What are you doing?" Users respond in 140 characters or less. The 140-character limit comes from the 160-character limit of SMS messages, minus a few characters for things like the user's screen name. Twitter could probably best be described as "micro-blogging." It's kind of a cross between blogging and instant messaging.
People use Twitter for all kinds of reasons, everything from staying in touch with friends to receiving announcements and support from companies with a presence on Twitter. Here are a few examples: