One simple answer to our privacy problems would be if everyone became maximally informed about how much data was being kept and sold about them. Logically, to do so, you'd have to read all the privacy policies on the websites you visit. A few years ago, two researchers, both then at Carnegie Mellon, decided to calculate how much time it would take to actually read every privacy policy you should.
First, Lorrie Faith Cranor and Aleecia McDonald needed a solid estimate for the average length of a privacy policy. The median length of a privacy policy from the top 75 websites turned out to be 2,514 words. A standard reading rate in the academic literature is about 250 words a minute, so each and every privacy policy costs each person 10 minutes to read.
Next, they had to figure out how many websites, each of which has a different privacy policy, the average American visits. Surprisingly, there was no really good estimate, but working from several sources including their own monthly tallies and other survey research, they came up with a range of between 1,354 and 1,518 with their best estimate sitting at 1,462.
So, each and every Internet user, were they to read every privacy policy on every website they visit would spend 25 days out of the year just reading privacy policies! If it was your job to read privacy policies for 8 hours per day, it would take you 76 work days to complete the task. Nationalized, that's 53.8 BILLION HOURS of time required to read privacy policies. [Emphasis added.]
From TheAtlantic.com. The full study (PDF) is well worth reading.
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