Slashdot.org

http://slashdot.org/~mercedo/

Wikipedia User

http://en.wikipedia.org/wiki/User:Mercedo

Livejournal

http://www.livejournal.com/userinfo.bml?user=mercedo

Corrosion

http://www.kuro5hin.org/user/mercedo/info

Opera Community

http://my.opera.com/mercedo/blog/