Groups chats work as social networks because of social pressure tricks:
• Read receipts
• Displaying "John was online 43m ago"
• Continuous pressure to reply "enough"
• Small chats can have strong norms (no outrage/politics) implicitly enforced per reply
Quick thread 
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I also use notifications to screen their messages before clicking on their message to let them know it’s been read

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Same. Sometimes message notifs get lost in a sea of other notifs though
End of conversation
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