Having the ability to tap into location-based information for travelers can aid in finding shelter, food and water in an unfamiliar place. eMarketer points us to a Q1 2012 report by mobile-local ad network xAd found that nearly 50% of all local travel searches completed on a mobile device in the U.S. were related to transportation. The search data in categories of hotels and lodging, car rentals and airlines, found high click-through rates, such as 17.8% for airlines, 17% for car rentals, and nearly 10% for hotels and lodging.