Another Groupon experience -- Groupon overwhelms Boston helicopter training school: http://blogs.law.harvard.edu/philg/2010/03/19/groupon-marketing-results/ htt

Another Groupon experience -- Groupon overwhelms Boston helicopter training school: http://blogs.law.harvard.edu/philg/2010/03/19/groupon-marketing-results/ http://blogs.law.harvard.edu/philg/2010/03/19/groupon-market... EDIT: I should add that this is a blog post written by someone heavily involved in their operations, so there's a reasonable amount of detail.