give people tips to be faster typers....
Post Your Speeds
Invite people to play multiplayer games together
I really don't know what to talk about so suggest please
Websites Practice : keybr.com , monkeytype.com
Websites for competitive typing : nitrotype.com, 10fastfingers.com , typeracer.com
Websites for Fun Typing : typingzone.com, typinggames.zone
PS: You can add some stuff to in the comments if you like