Welcome to the forum, Trista.
I believe Hotmail can be a bit tricky. Depending on how long you've had your account, you may need to upgrade it to Hotmail Plus in oder to get it to work with the BlackBerry. Microsoft "changed the rules" a while ago and it make things difficult for BlackBerry users.
With Facebook, I believe you can get started here: Facebook - Overview
Browse to that address with your BlackBerry browser.