‘This can’t be real’: Grubhub promotion turns New York City restaurants into a ‘war zone’

The deal resulted in 6,000 New Yorkers placing an order every minute, overwhelming kitchens and delivery workers

What were they thinking?

That's what customers, restaurants, and delivery workers want to know after a surprise promotion by food delivery platform Grubhub went badly awry - and proved there's really no such thing as a free lunch.