Google has just launched its U.S. Voter Information Map, which allows you to type in your address and find registration, absentee and other voting information for your state, and a map of your area,
As part of its promotion, Google has also released this excellent public service announcement video. [click and scroll down]
Voter registration deadlines vary from state to state — in Michigan, it is October 6. If you haven't already done so, stop what you are doing, and type your address into the Voter Information Map to find out how to register. Then do so.
[Thanks to Lifehacker for this information.]