The amount of data created in the universe will skyrocket from 16 zettabytes this year to more than 160 zettabytes by 2025, according to a new IDC report sponsored by Seagate. Luckily for the rest of us, only about 15% will be stored.
A zettabyte is difficult to visualize because it is so massive. However, if we represented each byte by a kilometer, one zettabyte would be equal to 3,333,333,333,333 round trips to the sun.
That is an old article and seems it was a few Zettabytes out:-
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