NBCnewsphotos:
Foursquare co-founder Dennis Crowley and Contessa Brewer in studio 3A
NBCnewsphotos:
Foursquare co-founder Dennis Crowley and Contessa Brewer in studio 3A
NBCnewsphotos:
Foursquare co-founder Dennis Crowley and Contessa Brewer in studio 3A
NBCnewsphotos:
Foursquare co-founder Dennis Crowley and Contessa Brewer in studio 3A
NBCnewsphotos:
Foursquare co-founder Dennis Crowley and Contessa Brewer in studio 3A