Audio- and video-receivers; DVD players; Electronic interactive whiteboards; Interactive touch screen terminals; Set-top boxes; Sound transmitting apparatus; Telecommunications and data networking hardware, namely, devices for transporting and aggregating voice, data, and video communications across multiple network infrastructures and communications protocols; Video recorders; Wireless receivers and transmitters for portable media players; Downloadable computer software for controlling multimedia; Downloadable mobile applications for controlling multimedia; Portable media players