How do web analytics companies gather data? How much could these companies know about you? How hard is it to identify a person based off their browsing history? Get paranoid in this episode requested by listener Raff.Learn more about advertising on the HowStuffWorks podcasts at www.howstuffworks.com/advertisers.htmAnd to learn about your ad choices when listening to podcasts, visit https://www.howstuffworks.com/privacy.htm#ad-choices
