Grubhub's free lunch offer in NYC crashed its website and app

Grubhub's offer of free lunch to anyone in the New York City metro area today led to sheer chaos. Many were unable to access the promotional deal -- which was scheduled to run from 11 am to 2 pm ET this afternoon -- when both the website and app started to crash, according to tweets from many frustrated users. A large number of restaurants were overwhelmed with orders from hungry customers, prompting them to pause taking on new orders or "close" for the day. Although Grubhub's "free lunch" promo...