Krispy Kreme's iconic glazing machines are a wondrous sight. You can stare and drool at them for hours.
So the company is putting your devoted attention to good use. It modified those drips to form a barcode. You can scan it with your smartphone and pull up a coupon for a dozen free donuts. Read more about this clever promotion at Ad Week.
-via Foodbeast
We dish up more neat food posts at the Neatolicious blog