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No Such Thing as Privacy Anyhow

If you’re paranoid, or even slightly guarded, about posting photos of yourself online, what you’re about to read might incite you to make a scorched-earth dive for the delete key.

According to a group of researchers from Carnegie Mellon University (CMU), led by associate professor of Information Technology and Public Policy, Alessandro Acquisti, it is now even easier to identify and access your personal information from photos posted on the Internet

….In arguably the most disturbing experiment, Acquisti used students who had their date of birth and hometown publicly posted on their social network profile to predict their Social Security numbers (SSNs). By using techniques from a previous study showing that SSNs can be somewhat accurately guessed using public information, Acquisti correctly identified the first five digits of SSNs in 16 percent of the students. After four attempts, the accuracy rate jumped to 27 percent.