The World’s Technological Capacity to Store, Communicate, and Compute Information

@article{Hilbert2011TheWT,  title={The World’s Technological Capacity to Store, Communicate, and Compute Information},  author={Martin Hilbert and Priscila L{\'o}pez},  journal={Science},  year={2011},  volume={332},  pages={60 - 65},  url={https://api.semanticscholar.org/CorpusID:206531385}}
An inventory of the world’s technological capacity from 1986 to 2007 reveals the evolution from analog to digital technologies, and the majority of the authors' technological memory has been in digital format since the early 2000s.

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