Move It! A Guide to Getting Around Big Cities by Bike

Know somebody who's interested in trying bike commuting but is unsure about how to get started? I tried to distill my 21 years of Chicago biking experience into a 1,500-word article. OK, I'm still not an expert, but this should be a good jumping off point:
http://gridchicago.com/2012/move-it-a-guide-to-getting-around-big-c...