Billboards are getting a makeover, and not just at the mall or your local bank: On university campuses from coast to coast, administrators are realizing there's more to digital signage than just a pretty picture--it can enhance communication and maybe even help save lives.

Electronic digital signage (EDS) includes LED, OLED, LCD, CRT, plasma, digital, or e-link displays and digital projection devices.

Often, the technology uses a computer-routing system made up of hardware and software that channels content to the system's director, who forwards the coded signals to the display.

From a central management distribution center, multimedia display systems are fed electronic messaging...

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