Oh those hackers on steroids; not a rolleyes big enough for that or that damn exploding van.
Many of the things that channers do are fun enough to simply watch and get a few laughs from. But this? This is huge, and I have to wonder if it's gone beyond what they had originally intended.
Regardless, it's certainly become an online movement of sorts, and come Feb 10th we'll see whether or not this can be properly coined with that term.
For an idea on how fast this has grown, here is a site that shows 'churches', events, and anon. Keep in mind that this only went live a day or two ago:
http://harbl.wetfish.net/cosplay/
Facebook and MySpace groups have formed, radio stations have covered it, news channels across the world have covered it, and not to mention folks like Warren Ellis and Joe Rogan approve of it.
You gotta admit, even thus far it's pretty fascinating to see something like this taking place.