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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.
This makes no sense to me. When you submit the order, it gives you the option to add your tip. 0% is not an option. Though I did notice recently the option for an additional tip.