Just read an awesome introduction to twitter by Jennifer Laycock, or should I now say, @JenniferLaycock. She explains the practical uses of twitter using a great analogy – post it notes on a giant wall.
You should read through, and if you have not understood twitter until now, I assure you, you will have an ‘aha’ moment.
Read the article here.
Another nice article on the practical uses of twitter from NYtimes [link]