306
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 GrubHub, DoorDash, or any of those meal delivery services. I know I'm in the minority here, but I just don't trust people to not mess with my food in between the store and my house.