How do I get an OpenID?

Surprise! You may already have one. If you use any of the following services, you already have your own OpenID:

AOL
openid.aol.com/screenname
Blogger
blogname.blogspot.com
Flickr
www.flickr.com/photos/username
LiveDoor
profile.livedoor.com/username
LiveJournal
username.livejournal.com
Orange (France Telecom)
http://openid.orange.fr/
SmugMug
username.smugmug.com
Technorati
technorati.com/people/technorati/username
Vox
member.vox.com
Yahoo
http://openid.yahoo.com
WordPress.com
username.wordpress.com