I know a lot of merchants have been bitten by groupon coupons that turned out to be big money losers for them. But this seems to me more like a teething problem

I know a lot of merchants have been bitten by groupon coupons that turned out to be big money losers for them. But this seems to me more like a teething problem for groupon than a long-term issue. With time the system should mature so that ridiculous coupons aren't getting produced any more.