See our blog post at http://blog.polyvore.com/2011/08/now-live-personal-domains-and-tagging.html. There were some hiccups tonight as we rolled out this change, like mis-assigned names or broken links. We're very sorry about that and are still working here in the office to fix it. Please be patient! Also, you can change your name one more time by going to http://www.polyvore.com/cgi/profile.edit.