| 摘要 |
The current invention is a method and device for allowing a customer to interact with a public signage display to obtain additional information about a product or service at a retail location or the like that does not require additional equipment for user interaction attached to the public signage on the retail floor. The current invention involves a connection between the public signage content distribution and its management architecture with the cellular wireless network that can enable flexible, dynamic user interaction with displays in public spaces.
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