Virgin offers free flight to Mexico with tacos

New York Times - Loopt users who check in to taco trucks or airports in San Francisco and Los Angeles next Tuesday can get two flights to Mexico for the price of one, courtesy of Virgin America. The promotion is the latest example of big companies using location-based apps for marketing.

bits.blogs.nytimes.com/2010/08/31/have-a-free-flight-to-mexico-with-your-taco/

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