re: Shake Shack customer hits 'no tip' at kiosk, then watches prices jump in viral video

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See the thread from last week about private businesses not accepting cash. Not always an option, and I bet it is certainly that way at many airports

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Airports are an issue, however if consumers have backbone adopt frequent places that don’t take cash the trend will reverse. It’s up to the consumers to be willing to put up with near term inconvenience for long term gains. It’ll be a challenge for the modern American ethos