Gowalla Expands into Yelp’s Turf with City Pages and Verified Businesses(mashable.com)
mashable.com
Gowalla Expands into Yelp’s Turf with City Pages and Verified Businesses
http://mashable.com/2010/10/26/gowalla-city-pages/
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http://mashable.com/2010/10/26/gowalla-city-pages/
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