FWIW I was introduced to Groupon by two people far removed from of tech circles. When I first tried it, it didn't even really occur to me that I was looking at

FWIW I was introduced to Groupon by two people far removed from of tech circles. When I first tried it, it didn't even really occur to me that I was looking at a hot startup. I think its mindshare is plenty good among non-tech people in urban areas.