I think you're getting too Facebooky If you want to post stuff about yourself there is Facebook and as far as I can tell Facebook accounts are linked to people on here anyways?
Edit: I'm wrong, that facebook button isn't a link to a personal account. I still don't think having a highly customizable profile would make this place better though, find it kind of redundant.
You can now post text to your profile in the "Share" textbox on your profile page. The text will show in the space between your profile name and your username, badges, points, posts info. Much more Twitterish than Facebooky.
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Edit: I'm wrong, that facebook button isn't a link to a personal account. I still don't think having a highly customizable profile would make this place better though, find it kind of redundant.