Pushpin on Facebook

What it signals here

reaction meaning

Used in comments to mark something worth remembering or to agree it's important.

comment use

Older users use it literally to mean 'I'm saving/bookmarking this post.'

boomer interpretation

Interpreted literally — marking something important like a phone number or address in a group post.

group use

Admins use 📌 to signal pinned announcements; members use it to request a post be pinned.

See it elsewhere