I was thinking two things: 1) This is an incremental change since it largely replaces what the waiter/waitress is doing with the machine the waiter/waitress i

I was thinking two things: 1) This is an incremental change since it largely replaces what the waiter/waitress is doing with the machine the waiter/waitress is using and 2) The tradeoff is a question of customer service for lower costs. I think to make it work you'd have to take the extra savings and spend it towards further improving customer service. It's not a clear win unless executed very well.