I think they handle this part of their system really poorly. I'd like to log into Facebook, and then click "Friends" or "Family" or "Corporate", and have three

I think they handle this part of their system really poorly. I'd like to log into Facebook, and then click "Friends" or "Family" or "Corporate", and have three completely separate and distinct areas where I can be sure data wont leak between them. As it stands, the only way I can do that is to set up multiple Facebook accounts. But maybe I want to stick my brother in both "Friends" and "Family"...