The deal of the day on the Living Social coupon Web site is for a $20 gift certificate for Thornton Place’s Jewel Box Cafe — at the bargain price of $10.

It’s not free food, but half price isn’t bad. Fine print: You have to use your coupon by Sept. 15, and there’s a one coupon per person limit. However, there’s no limit on gifts, so gift away.

And the countdown is on. Today’s the only day you can purchase this particular deal from Living Social.