A dumb Wii question...

[noname2200]

http://my.opera.com/Nplus/blog/show.dml/592862

Following that article, get your 16 digit Wii code. Log onto your e-mail. Go to your address book, and add "w################@wii.com (inserting your own code there, of course).

Voila! You're done.

And of course, you can do the opposite as well.