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Re:Restaurant workers quit at record rate by rswail on Wednesday July 21, 2021 @06:47AM (#27904561)
> What are the advances in technology between now and 1981 that made restaurants 2x more productive?

Microwaves, dishwashers, steam-injection ovens, just-in-time logistics for raw ingredient deliveries, credit cards, online ordering...

Re:Restaurant workers quit at record rate by xyzzyz on Wednesday July 21, 2021 @09:47AM (#27906199)
Microwaves and dishwashers were popular in commercial environment before 1980, and I don’t think credit cards make a restaurant more productive.
Re:Restaurant workers quit at record rate by lumost on Wednesday July 21, 2021 @09:58AM (#27906350)
> I don’t think credit cards make a restaurant more productive.

They certainly reduce the potential for theft/shrinkage! It used to be that you needed a trusted business manager/employee to manage the register, now anyone can do it and it's much harder for someone to siphon funds. All transactions are now viewable to management to more easily see what's selling and what's not.

Re:Restaurant workers quit at record rate by xyzzyz on Wednesday July 21, 2021 @12:20PM (#27908269)
That’s a good point, haven’t thought of that.