Watching video from WordCamp, Matt Mullenweg mentions they should be putting WordPress profiles on their badges:

Why are we putting like Twitter handles and other stuff. We are the WordPress people. We should be… you know our WordPress profiles and our blog URLs as the primary thing we’re promoting, not these random other walled garden social networks, right?

I didn’t realize that they owned w.org too. See also: “hello my URL is” name tags.