When you think Web 2.0 you probably think San Francisco, Boston, perhaps Austin or Seattle, and even Boulder, New York, Los Angeles, San Diego, or Washington D.C.

So what makes Chicago so special?  Chicago is quickly emerging as a leader in innovation. Chicago is changing.  Startups like 37signals, Groupon, Inkling, Threadless, Feedburner, SitterCity and GrubHub call Chicago home.  Google and Microsoft are growing their Midwest operations here in the city, and data centers are popping up anywhere from the Loop to the I-88 corridor.