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Eric Schmidt likes to point out that if you recorded all human communication from the dawn of time to 2003, it takes up about five billion gigabytes of storage space. Now were creating that much data every two days

Eli Pariser (2011). “The Filter Bubble: How the New Personalized Web Is Changing What We Read and How We Think”, p.16, Penguin
Eric Schmidt likes to point out that if you recorded all human communication from the dawn of time to 2003, it takes up about five billion gigabytes of storage space. Now were creating that much data every two days