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Now Playing: 11-27-12 Marketplace Tech Report

Now it's time to get Medieval on your digital lives. What if computers and the Internet are turning us into serfs, and we've become dependent on the protection of feudal lords by the names of Apple, Microsoft, Google, Facebook? According to Internet security expert and author Bruce Schneier, we pledge allegiance to these feudal lords by handing over our data. The hope, at least, is that these lords safeguard our credit card numbers and our privacy.