My suggestion is reply messages.
By that, I mean if somebody replies to your post or thread, I think the Toribot should notify you about this.

A simple idea, please send feedback.

Just subscribe to the thread?

Wouldn't it make more sense if it was just all replies over all, though?
When you get a reply, you get a message on the forum, it's simple.
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bump

that's what subscriptions do 1/

Whenever you subscribe to a thread
(click thread tools, subscribe to thread)
when you go to your user control panel it will show you which ones have replies

I think what he's asking for is function in which it informs you when someone has quoted you in a thread. This is a pretty common thing in a lot of forums nowadays, but I'm not sure our forums really need it.

I don't like this. You would get spammed, if it's a popular thread. but i'd like to see where this goes

semi-supported