Some interesting thoughts from Andreea Stefan on what a good push notification should be:
She talks about when notifications can be annoying, and when we really find them useful:
“No, Tinder, I don’t want to know my chances of a match are 3 times higher while I’m on a date! But, thanks to you, I will need to find someone else to date now!”

Could be helpful for anyone designing any mobile app these days – make sure you consider the type and timing of notifications you send to users.
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