Support StatusNet (previously known as Laconi.ca)
We do have a free software competitor for Twitter.com: it is StatusNet.net (previously known as Laconi.ca). It allows people to run their own microblog site/engine with their own domains and comunities. The most popular StatusNet service is www.laconi.ca
StatusNet uses the same API Twitter does, so supporting it on web2itter seems to be painless. Here is the documentation:
Since web2itter debutted in a free software event in Brazil, I belive most of its users will be free software users. So, supporting a free software microblog system will be important form them.