Sharing links to items of interest to your network - Not surprising since the speed of reach on Twitter is so fast. As soon as you find something interesting that’s linkable, you can drop it on Twitter and your network knows immediately. With the URL monitoring tools like the Techmeme-like Twitt(url)y and twitbuzz you can track items of interest before they ever hit the blogosphere and long before they hit mainstream media.

Networking for new contacts - I don’t explicitly use Twitter for this reason, but it happens. Twitter is like a first stepping stone to Facebook then to LinkedIn and then to something offline. Well, not really, but with the search features of Summize you can find others with similar interests to follow and connect with. You can also use TwitterLocal to find Tweeple in your geo. While Twitter is hot amongst early adopters, it’s still new enough that finding people in your area can be reason enough to connect. There’s also