http://it.slashdot.org/article.pl?sid=06/03/29/1411221

I'm not going to go into lengthy discourse, but suffice to say:  If you are using hotmail, and are unlucky, companies that send bulk mail to you, mail that you may want, may go to your spam folder if they don't pay up a $2,000 fee.   That's just one example.  Read the slashdot article for more info.