“It’s really important that people understand that there are computational techniques that will reveal all kinds of information about you that you’re not aware that you’re sharing” – Jennifer Golbeck
Recently two TED talk lecturers, computer scientist Jennifer Golbeck and privacy economist Alessandro Acquisti, reveal the fact that we are sharing much more online than you think (videos of their talks can be found by following the link). Those information you already shared might one day be used against you, with or without your consent, and either legally or illegally. When you share information online, you are basically giving up rights to those data. Every site use our data to a certain extent, but Facebook does it much more secretively and aggressively than other social networking sites. Facebook treats users as products and not customers. Their customers are marketers and advertisers trying to sell us their products or services!

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What can be guessed about you from your online behavior? Two computer privacy experts — economist Alessandro Acquisti and computer scientist Jennifer Golbeck — on how little we know about how much others know.

The best indicator of high intelligence on Facebook is apparently liking a page for curly fries. At least, that’s according to computer scientist Jennifer Golbeck (TED Talk: The curly fry conundrum), whose job is to figure out what we reveal about ourselves through what we say — and don’t say — online. Of course, the lines between online and “real” are increasingly blurred, but as Golbeck and privacy economist Alessandro Acquisti (TED Talk: Why privacy matters) both agree, that’s no reason to stop paying attention. TED got the two together to discuss what the web knows about you, and what we can do about the things we’d rather it forgot. An edited version of the conversation follows.

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