Einstein Bros Bagels have done several promotions on their Facebook page a few times. Now they have a great one going on for Friday’s, they’ve brought it back!

Every Friday (before 11am) get a free bagel at Einstein Bros Bagels. The coupon is valid for one free bagel, no purchase necessary. Limited to once per day at participating locations.

You can reuse the coupon through July 30th, 2010. Go to the this page to get the reusable coupon.