It’s a difficult thing to explain what Twitter is for. Partly because so many people use it badly. There are many things which Twitter can be used for. Some of these innovative approaches (like interactivity in class) are interesting and certainly a valid use of the technology.
But what’s it for? What might you be missing out on? If Twitter is just a novelty tool, then you’re just expending your excess productivity time fairly innoculously.
Maybe you should consider that Twitter is all about the coffee.
A fine article to help you discard your provincial notions of Twitter and maybe to get you beyond the curiosity stage. You might even teach-by-example your students, friends and family (maybe even all of Twitterdom).
Over 10 years ago I was giving Introduction to the Internet classes and the lesson we’re still learning today was what I was trying to teach then. The real value the Internet brings to your life isn’t in your web-browser. It’s on the other-side of it.