Bebo And MySpace Top 8
Ranking your friends in public, which went exactly as well as you would expect.
Social networks before Facebook, where you chose a profile song and arranged your friends in order.
The Top 8 caused genuine fallings-out. Moving someone from three to six was a message and it was received as one.
MySpace let you paste CSS into your profile, which taught an enormous number of people their first web code.
Cost back then
Free
Goes for now
Both still technically exist