IIRC, people got upset with Google Profiles that your Gmail address was exposed from the URL (eg. profiles.google.com/dave would lead to dave@gmail.com). The UR

IIRC, people got upset with Google Profiles that your Gmail address was exposed from the URL (eg. profiles.google.com/dave would lead to dave@gmail.com). The URLs are thus anonymized to stop that leakage. They could/should have a system up for registering company names though.