I do and love it.
Click here to find out more and to get signed up today to receive daily emails about the deals being offered in your hometown or where you have friends living. These make great frugal gifts and most of the time at more than half off.
I got a $15 credit when I signed up and just purchased three $10 gift certificates for free because I used my $15 credit. So I can go to Chill Yogurt Cafe when I am out and about and treat myself to some yogurt with all the toppings I choose. The deal was get a $10 certificate for $5, that is 50% off.