[edzo4]

Google says

Twitter “needed just 20 terabytes to back up every tweet that’s ever existed… that’s about twice the estimated size of the print collection of the Library of Congress.” “A TB, or terabyte, is about 1.05 million MB. All the data in the American Library of Congress amounts to 15 TB.”Apr 25, 2012

[JockoManning]

Thanks. Interesting.