[finiteloop]

At FriendFeed, when we first introduced real-time comments and likes (pretty sure we were the first social network to do this), we did it with long-polling via an iFrame because web sockets did not exist. It actually worked pretty well!

https://www.ft.com/content/87b8107e-9c6d-3d3f-a60d-3e4f6315d...