Barney Stinson Don Draper or Charlie Harper would have loved this – an app that lets you compare sex lives! The new app helps you keep track of how much action you're getting and gives you the option of sharing the details with the rest of the world could be just the thing for you. The latest step in the online sharing trend Nipple lets users log the most intimate details of their sexual encounters right down to what position they enjoyed if any toys came into play and whether they reached