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Tipping 'nudges' are now popping up on DoorDash. If you don't leave a gratuity, you'll hear about it.
(www.businessinsider.com)
This is a most excellent place for technology news and articles.
I've never used one of the delivery services, I doubt I ever will. I haven't been to a restaurant or a movie theater since the troubles, I don't see myself going back, neither have anything to offer me I can't have better at home.