Martin Hilbert of the University of Southern California carried out a study to discover just how much information does humankind store and compute.

Have you ever stopped to think how much information are we able to handle and how much more of it is there in the world now as compared to 20 years ago? University of Southern California's Martin Hilbert led a study into calculating the total digital information-processing capacity of humankind, and the revealed figures are astounding to say the least.

Consider this: In 2007, around 1.9 zettabytes of information was broadcasted through televisions and GPS the world over. To put it into perspective, this information is equivalent to each person in the world reading 174 newspapers daily. Or that we shared 65 exabytes (1 EB=1 billion gigabytes) of information through telecommunications such as phones in 2007.

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