The Swivl base "automatically follows the marker and you". The Swivl($160) mobile accessory which holds your phone and tracks your every movement. It pans (left and right movements) and tilts (up and down movements) and will keep you in the frame as long as you are wearing its beacon. Swivl will be compatible with select iOS devices, including: iPhone 4s, 4, iPod , and Android phones. It has estimated retail price of $159.99, and is available for pre-order right now. It will ship out in early 2012. Check out the video of it in action.