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The way humans store and exchange information has come a long way from cave paintings.

From papyrus to Cloud storage, centuries upon centuries of innovation has transformed data from the tangible to digital sphere, accessible by anyone, anywhere.

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Scientists are already paving the way toward the future by biologically engineering data into DNA sequences.

The future may also lie in quantum storage.

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If the tech industry manages to keep up with Moore's Law, a rule of thumb that has driven engineers to double computing power every two years, transistors in computer chips will reach the atomic level and be as small as electrons.

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If this holds true, by 2020, information will reside in the world of quantum physics.