Tim O'Shaughnessy explains that companies are much more open to forming agreements than one would think.
According to Yipit, the deal made up 4% of the entire daily deal industry's monthly revenue.
The daily deals site surprised passengers by offering them a free experience.
Both Loopt and AT&T have unveiled mobile coupons for nearby customers, adding a real-time element to location-based deals. Loopt founder Sam Altman outlines three ways to make it work.