High Quality Content by WIKIPEDIA articles! @firma is the corporative platform of the Andalucia Board for autentication and digital sign. The platform have as utility that all of the Andalucia Board can incorporate autentication and digital signing processes with the digital certificate using. Digital signage is a form of electronic display that shows information, advertising and other messages. Digital signs (such as LCD, LED, plasma displays, or projected images) can be found in public and private environments, such as retail stores and corporate buildings. Advertising using digital signage is a form of out-of-home advertising in which content and messages are displayed on digital signs with a common goal of delivering targeted messages to specific locations at specific times. This is often called "digital out of home" or abbreviated as DOOH.

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