These public profiles will also be available to the search crawlers of
Google, Yahoo, Ask, etc. in about a month -- as if it weren't bad enough that people could "Google" you. In effect, Facebook is turning into a quasi-White Pages for the Web.
Inevitably, searchers who want to find out more information about a person will be compelled to sign up for Facebook. Indeed, this could be a huge growth engine for the company, but a worrisome new direction for consumers. This is seen as another small step in the overall erosion of personal privacy, thanks to the ever growing popularity of the social networks.