btw dark forces, interesting that you mention they have blocked another free hosting service, i wonder if they are blocking all the free hosts, in order to get more people to sign up to their own free hosting effort, i.e the "facebook pages"... hmmm
i emailed abuse(AT)facebook.com and asked them about the ban on freehostia, they replied quite quickly but basically said the same thing that the error message says when you try and post a link to freehostia. i.e someone reported freehostia as hosting abusive content. not very helpful. i replied saying if somone on a geocities or a tripod account posted some abusive content, you wouldnt block the whole geocities or tripod domain.... its madness, havent heard back from them yet.
i suggest if enough people complain about the ban, maybe they will do something... : email abuse (AT) facebook.com
btw, slightly off-topic, but may be useful to other facebook users: if anyone is interested in cutting the spamming applications and annoying "became friends with", "attending an event", "joined a group", "became a fan of" messages on your facebook homepage, ive created a solution, you can check it out here:
http://bit.ly/fbpure