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Groupon CEO Andrew Mason speaks at an event last May. | Tom Cruze~Sun-Times
Andrew Wenum, founder of GRP21 brand building website, of Chicago, at 1871, Chicago, IL , on Thursday, February 28, 2013. | Ting Shen~Sun-Times Media
Michael Landers, founder of the Internet startup company, Pixme2, of Chicago, at 1871, Chicago, IL , on Thursday, February 28, 2013. | Ting Shen~Sun-Times Media
The Chicago tech community lost its biggest and brightest star Thursday when golden boy and Groupon founder Andrew Mason got knocked from his CEO throne. The markets seemed to like the move Friday, with the stock opening up 3 percent. Critics and admirers alike said …
