An automatic notification about other wikis having this wiki added to or removed from their wiki-net
A wiki-net-server enables wikis to do so.
Older thoughts on how to make it work are on
community-wiki: recent changes readers - former EyeOfHAL?
community-wiki: who is watching us?
We are currently on the wiki-net changes of
We are currently on the wiki-net faces of
We are currently on the wiki-net hints of
using a WikiNetServer (+ some software-voodoo).