Loud speakers; Audio speakers; Wireless microphones with integrated speakers; Wireless speakers; Microphones; Earphones; Video projectors; LCD projectors; Wearable computers in the nature of smartwatches; Wearable computers in the nature of smartglasses; Humanoid robots having communication and learning functions for assisting and entertaining people; Video recorders; Tablet computers; Downloadable computer software for use as an application programming interface (API); Cell phone battery cha...