You will not believe the e-mail I received from a woman about a Facebook coupon I posted. Really? Here is Brenda B.'s lovely rant to me this morning: "Hello, I was very excited to see the $1 coupon ...

Facebook is testing a new premium ad offering: coupons. Pages can post a coupon to their users, redeemable either in-store or online, as well as use that post as an ad unit on the Facebook homepage, ...