Twitter marketing
Here’s an idea for people doing marketing on twitter: keep searches open for people who need your stuff.
IE: If I post to twitter ‘arg I hate my colo, anyone know any good ones in the Seattle area?’ - a smart marketer will be running a search for ‘hate colo’ or ‘seattle colo’ and they will get in touch with me directly: targeted marketing. I would be really inclined to listen, and would trust them more than just a random google search for ‘seattle colo’, particularly if they maintained an active twitter account with customer conversations I could look through.