Walls have ears, said the wartime propaganda posters. But nowadays it’s more likely to be the poster itself that has ears (and eyes) – at least if it’s displayed via digital signage. “Two-way interactivity and data collection are at the cutting edge of digital signage implementations,” says Sean Wargo, senior…
source https://duchonsigns.wordpress.com/2022/05/25/welcome-to-the-sign-age/
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