Facebook's new massive email list is another thing to segment and sell off to advertisers, and another way to make money from its users. I can also see partner

Facebook's new massive email list is another thing to segment and sell off to advertisers, and another way to make money from its users. I can also see partnerships with anti-spam and anti-virus companies. Maybe users will need to subscribe to these in order to maintain a sane inbox (and FB will get a slice of that revenue, natch).