Grouper was part of YC's Winter 2012 class: http://techcrunch.com/2012/09/20/yc-alum-grouper-launches-in-10-cities-to-bring-you-a-better-way-to-meet-new-people/

Grouper was part of YC's Winter 2012 class: http://techcrunch.com/2012/09/20/yc-alum-grouper-launches-in-10-cities-to-bring-you-a-better-way-to-meet-new-people/ http://techcrunch.com/2012/09/20/yc-alum-grouper-launches-in...