Groupon is doing what Facebook can’t: Profiting from mobile(qz.com)
qz.com
Groupon is doing what Facebook can’t: Profiting from mobile
http://qz.com/82865/groupon-is-doing-what-facebook-cant-profiting-from-mobile/
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http://qz.com/82865/groupon-is-doing-what-facebook-cant-profiting-from-mobile/
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