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A high-gain screen can be made as a sandwich of a hologram and a retroreflective screen material. When a hologram is used in front of the screen instead of the screen material alone, the position of high-brightness viewing can be moved to any desired angle rather than being directed back along the projection beam.
Smartphone docking stations and strongly converged VoIP /Telephony clients are proposed and demonstrated as a new and practical model for fixed-mobile voice and video convergence.