Fond of your family name? Good -- it's about to get a bit more visible. Foursquare is planning to display full user names on profile pages, explaining in a recent community email that the old policy has become confusing. "If you search for a friend on Foursquare, we show their full name in the results, but when you click through to their profile page you don't see their last name." The team says these abbreviations made sense in Foursquare's early days, but recently users have been asking for change. "We get emails every day saying that it's now confusing." The social network hopes that displaying users' full surnames will help mitigate confusion between the John Smiths and John Smythes of the world. The company's tweaked privacy policy promises to share more data with businesse