US Patent 10897598 Content amplification system and method

A digital content sharing system includes a common emissive surface, a first connector device for establishing a communication link with a portable computing device, an interface for controlling shared content on the emissive surface, and a first processor linked to the emissive surface and connector device and programmed to perform the steps of: upon linking a portable computing device that presents a desktop on a display screen via the connector device, presenting a sharing control via the interface; and upon selection of the sharing control, replicating an instantaneous portable computing device desktop via the emissive surface and presenting a persistent sharing control via the interface. Upon selection of the persistent sharing control, the processor is programmed to generate and present via the emissive surface a representation of the desktop corresponding to the instant when the persistent sharing control is selected irrespective of a current desktop representation on the display screen.