Lessons From the Facebook Riots
...Privacy used to be about secrecy. Someone defending himself in court against the charge of revealing someone else's personal information could use as a defense the fact that it was not secret. But clearly, privacy is more complicated than that. Just because you tell your insurance company something doesn't mean you don't feel violated when that information is sold to a data broker. Just because you tell your friend a secret doesn't mean you're happy when he tells others. Same with your employer, your bank or any company you do business with.
But as the Facebook example illustrates, privacy is much more complex. It's about who you choose to disclose information to, how, and for what purpose. And the key word there is "choose." People are willing to share all sorts of information, as long as they are in control.
When Facebook unilaterally changed the rules about how personal information was revealed, it reminded people that they weren't in control. Wired News: Lessons From the Facebook Riots
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