http://www.w3.org/ns/prov#value | - The overlay screen interface 450 may be displayed, for example, on a screen of the user device 106 (e.g., a laptop or other computer such as the computer 106???); and may be implemented via one or more computer program products stored, for example, in the user device 106. [0066] The overlay screen interface 450 is similar to the split screen interface 400, but overlays the realtime image on the hi
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