Words from Alan J.
 Liddle, Managing 
Editor
The eighth annual Digital Signage Expo in Las Vegas highlighted the marketing and operations appeal of maturing interactive and multimedia menu and marketing board technologies.
 Among the technologies showcased were:
 • Massive tiled LCD, LED or plasma screen walls showing mosaics of multiple still or moving images, or a giant rendering of a single subject.
 • A specialized system funneling rich surround sound to a small area, giving a voice to marketing or entertainment video or ...
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