In Wikipedia talk pages discussions, I see people often mention each other.
Mentioned people receive a notification.
How to mention people?
For instance let's say I want to mention the user called Joe.
Solutions that work on all Mediawiki sites preferred.
Best Answer
You can use the Wikimedia "pipe trick" to keep from having to repeat the username:
turns into
Wikipedia1 has some templates that are set up for this. You could just use the User link template
To be more "Twitter-like", there's the ping template (aka "Reply to")
results in
More information at Wikipedia:Notifications
1 English Wikipedia. Other language versions likely have different templates (if they have any).