To read the full story about the legal implications of Facebook, Twitter and instant messaging, click here.

–

I would be fairly confident that you're not going to have a reasonable expectation of privacy with Twitter. With Facebook you might, because you can restrict who can see your site. The fact that I have a Facebook page is not something I can expect to be private. But the content, the fact that I have an album that only my friends can see–there's more expectation to be private.