A device, system, and method may variously include a network interface device communicatively coupled to a user interface and a processor, coupled to the network interface device, configured to cause the user interface to display a newsfeed including social network content items, the newsfeed being configured to scroll to display ones of the social network content items on the user interface. A doped dielectric layer is formed on a substrate. The first microphone apparatus may have a first back-side cavity and the second microphone may have a second back-side cavity. The apparatus optionally includes an adjustment mechanism adapted to adjust the blade or cutting surface between an extended position and a retracted position. The diffusion filter is formed of a laminate in which a plurality of diffuse transmission films are layered. The game-playing transaction is conducted on a first communication interface, and the information associated with the game-playing transaction is received on a second communication interface.