One other company on the top ten list that seems decidedly unsexy: Coyote Logistics in Chicago, an outfit that matches empty trucks with merchandise that needs to be shipped.
And Goldman, pushing for a tech edge, bought Hull Group, a Chicagooutfit that was an early user of trading algorithms to electronically search out the best prices across multiple markets.
This is a bigger-than-normal-blog deal because Hansson is a partner at a design outfit called 37signals, like Groupon based in Chicago and a creator and popularizer many of the tools used in Web 2.0 (Wired has a good story on them here.) Amazon.com founder Jeff Bezos is an investor and advisor.