Among the things we talked about were online identities (real and imaginary) and Twitter evangelism, and we both agreed that network building and noise control are critical in the early days of the Twitter experience.
Then Alex came up with the brilliant idea of making up imaginary Twitter exemplars for newbies to follow which would give them just what they needed in terms of traffic while they were network building - not totally unlike the "imaginary friends" capacity in Friendfeed. The idea involves aggregating selected RSS feeds and tweets from carefully selected people via Friendfeed rooms, then taking the RSS from the room and dropping it into a dedicated Twitter account using twitterfeed.
The volume and content of information is critical to the early Twitter experience, so academic disciplines may be the ideal unit of size for this, i.e. one for biologists, one for medics, one for engineers, etc. Here's a quick UoL one I knocked up to give you the idea:
Friendfeed room -> RSS output -> Twitter
Update: The Summize search seems to be generating a lot of noise in the Twitter feed, so maybe we'd better go with Alex's idea of paying some munchkins to post items manually. JayJay - your official rank in the Small Worlds Army is now "Munchkin" ;p)
Update2: Big Oops! The Summize -> Friendfeed -> Twitter cycle created a loop which constantly repeated itself. Oops! I've shut down the Friendfeed room (turns out you can't delete a FF room, so I just renamed it with a random string), but the Twitter account is still there if we want to use it.