Bringing Back the 1971 Social Network: A Quick Guide to Finger
Long before algorithmic feeds, engagement metrics, and push notifications, the internet had a radically simple way to see what people were up to: Finger. Originally conceived in 1971 at Stanford and formalized under RFC 742 (and later RFC 1288), Finger is a minimalist, plain-text networking protocol running over TCP port 79. When you query a user via finger user@host, the remote machine returns status metadata alongside the contents of a simple text file: .plan. ...