I hope this is the right forum.

Chicago announced plans to blanket entire city (about 228 square miles) with wi-fi service by 2007. It follows plans by Philly which is ahead of the game as it plans to start up at the end of this year or beggining of next, but the Chicago project dwarfs the Philly one (135 square miles).

http://abclocal.go.com/wls/story?sec...cal&id=3916013