According to Bornbach, coworking is gaining popularity in cities across the U.S., including Des Moines.— Iowa City Press-Citizen - Local News
The concept of coworking is old news to major U.S. cities such as San Francisco and Denver, but Columbus is following the trend with the addition of Qwirk Columbus Coworking in the German Village.— The Lantern
The idea of coworking has been around for a few years, and began with independent professionals, Roberts said.— The Lantern
Pssst ... the password for editing is "coworking"!— Coworking
In spring 2008, I created a mailing list and a blog to talk about local coworking or coworking-like projects in the Lake Geneva area, and gather interested people in one space.— GigaOM Network

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You can expect to see this word about twice a year.