I subscribe to Groupon and it really has become a rage where I live. Last week there was a Groupon offer for a restaurant where I know the owners.
The restaurant is a German deli that has a small dining area. The offer was a $12 Groupon coupon for $6. They sold OVER 1400 coupons!! Amazing.
Even more amazing is that people coming in with the coupon are generally spending anywhere from $30 to $50. Some of the coupon users were old customers but a lot were new who didn't know that the shop/restaurant existed and were thrilled to learn about it. So Groupon obviously is working for them.
Now, if Groupon only offered coupons for travel............