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I don't understand why Facebook ever shared friend data. It's one thing for a user to opt in to sharing things like their likes. But as soon as you share friend lists, you are sharing stuff about other people.

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There are non-evil uses of that data, of course. A custom-built news feed for example. That would actually be pretty nice...

There are non-evil uses for anything. That doesn't mean we don't need security.

Never said that there wasn't. I was responding to someone who couldn't fathom a legitimate use of the friend data.

That's okay when it comes from Facebook. Everybody on Facebook signed up with Facebook. It's sharing with third parties that I don't think is cool.

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