Have $5.01 you can spare...for democracy? Even better, do you have $5.01 and the e-mail addresses of a half-dozen other people with $5.01? On February 12th, let's help Barack Obama buy some airtime in Wisconsin! And keep the ball rolling into Texas! And Ohio! And Pennsylvania! YEEEE-AAARGGH!
(The significance of $5.01 donations is explained here)
(The significance of $0.01 is explained here)
Update: And if you donate through this link and help the Obama campaign reach 500,000 (!) online contributors (that's contributors, not contributions - lots of folks have donated small amounts lots of times), your contribution will be matched.