Helmet cam aficionado? Contour's ContourGPS currently has the greatest range of connectivity options, and one of those options, Bluetooth, is finally good for something. The company has just flipped the switch and deployed its Viewfinder app that we last saw at CES, which allows iOS devices to pull live video from the camera, even if it's still stuck to the side of your head and covered in mud. Users can also tweak camera settings in real-time, which is a huge step forward over the previous process that
