Here's an analogy that (in my experience) seems to click with many non-tech-minded people who bring up the FB/Twitter/socnet argument: I like sex, I really do.

Here's an analogy that (in my experience) seems to click with many non-tech-minded people who bring up the FB/Twitter/socnet argument: I like sex, I really do. But that doesn't mean I want to be drugged and raped by the police or stealth-humped by anyone. If anyone wants to have sex with me, I'd like to know before the act and definitely need to have a say in whether or not it'll happen.