3 ms·In what context? I’ve never seen any read notifications on HN.by dave4420 2y agoIn what context? I’ve never seen any read notifications on HN.pomdevv 2y agowhen you receive a message on communication apps like whatsapp or messengerJohnFen 2y agoOne of the reasons I strongly prefer SMS and email is the lack of things like read notifications, typing indicators, etc.