Ben & Jerry’s has created a sweet Facebook app called “Wanna Spoon?” that allows people to look for common interests among their online friends such as favorite artists and stores, and users can post their discoveries on friends’ walls for them to receive a coupon for frozen yogurt.

Ben & Jerry’s has created a sweet Facebook app called “Wanna Spoon?” that allows people to look for common interests among their online friends such as favorite artists and stores, and users can post their discoveries on friends' walls for them to receive a coupon for frozen yogurt. (Mashable)