Before leaving home, survey respondents said they used their smartphones mostly for researching restaurants (52 percent), reading about destinations (46 percent) and reading other travelers’ reviews (45 percent). Booking and researching accommodations and flights also scored high on the list. Once on the road, nearly half of the respondents said making phone calls is the main purpose of their mobile devices. However, 19 percent said being able to communicate via chat and e-mail was the most important reason for taking their mobile phone along for the ride. What else do people use their smartphones for when traveling? For directions, mostly. Get the full story at MSNBC