3D spectacles; Digital taxi top advertising display units; Electronic advertisement and messaging display unit with multi-networking (TCP/IP) capabilities and remote connectivity; Electronic advertisement boards featuring a neon lamp; Electronic apparatus, namely, electronic display boards, plasma display boards, electronic display screens; Electronic display interfaces; Electronic displays, namely, digital signage; Electronic LCD advertisement display unit with multi-networking (TCP/IP) capabilities; Electronic point-of-sale (POS) systems comprised primarily of point-of-sale terminals, bar code readers, touchscreen monitors, keyboards, document printers, scanners, and recorded operating software; Flexible flat panel displays for computers; LCD projectors used to display advertisements; LED position sensors; Light emitting diode (LED) displays; Near field communication (NFC) tags for making mobile payments and providing advertising information; OLED (Organic light emitting diode) display panels; Organic light emitting diodes (OLED); Retinal imaging display device, namely, a device using image projection technology that focuses light onto the retina to create afterimages for the user; Video displays that may be worn on the body; Viewing devices, namely, digital photograph viewers, 3D digital photograph viewers, underwater digital photograph viewers, underwater 3D digital photographs viewers, underwater LCD displays, underwater enclosures for LCD displays and underwater enclosures for video players; Wearable electronic proximity sensors with embedded contact tracing software for monitoring and alerting of social distances and distance measuring among wearers