Weirdly enough, restaurant workers are some of the highest substance users group. A Google search on this subject is quite surprising.

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People I disagree with all around me!! Oh the horror!!

Do you really feel like you’re coercing a waitress when you tip?

It’s not really about the watch model. It’s about the watchOS version. If you get a series 7 with watchOS 9, she won’t be able to use it. You need watchOS 8. Someone correct me if I’m wrong.