Huh. By doing this, you are making an enviroment which is exactly the opposite of what people expect from a coffee shop. Would you like to sit by a table with d

Huh. By doing this, you are making an enviroment which is exactly the opposite of what people expect from a coffee shop. Would you like to sit by a table with display counting remaining time to stay? I wouldn't stay there any longer than I would have to, and never come back then. Most people (attractive coffee shop customers) accept that they should buy something and stay for a reasonably long time, but if they were forced to do that by such a technical and precise system, they would hate it.