A good Google ranking can't be understated. That is driven partially by blog exposure. I am #1 on "Free Intranet" and "Free Extranet". That probably drives ha

A good Google ranking can't be understated. That is driven partially by blog exposure. I am #1 on "Free Intranet" and "Free Extranet". That probably drives half the signups each day. The rest comes from a low budget Google Adwords campaign and a low budget Adbrite.com campaign. As for other search engines it is like they don't exist.