When was the last time that you used your mobile device to shop competitors while in a store, search for coupons, or do on-the-spot research? If you’re alive and over 18, it’s probably been recently.By Swaroop Rao, VP and Global Head, Mobility Practice at Happiest Minds Technologies points out that three in every four people in the world have access to a mobile device, which has changed how retailers connect with customers.