That is a very good point. In the one case (Yelp) they were advertising a good 'first visit' deal to folks who were already looking for their services. In the

That is a very good point. In the one case (Yelp) they were advertising a good 'first visit' deal to folks who were already looking for their services. In the other case (Groupon) they were advertising to a group of people looking for cheap deals, not even people who were looking for their services. It is odd that the NYC business list (can't recall the name at the moment) is also a 'deals list' type of service and a similar discount to Groupon was offered but it had much better results. Checking them out myself at the time, the NYC business list seemed to be much more centered around getting a customer in once and keeping them as a customer and seemed to cater to a different demographic than Groupon.