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Groupon CFO Jason Child: 'I Don't See Any Limits'

Although he says he's "not exactly certain what" Groupon's appeal is, Jason Child has plenty of possibilities. And he's certain that even given the online coupon company's explosive growth, there's plenty of room for further expansion. But don't expect an IPO anytime soon.

Groupon Rival LivingSocial Bags $175 Million from Amazon

Just a few days after Google reportedly offered $6 billion for the top group-buying site, Groupon, the service's biggest rival, LivingSocial, has scored a $175 million investment from Amazon. But how long will these hot deals last?