It's about eight-and-a-half times as much as All Spoken Words in Human History (recorded)
In other words, 347.20 zettabytes is 8.3 times the amount of All Spoken Words in Human History (recorded), and the amount of All Spoken Words in Human History (recorded) is 0.12 times that amount.(2003 figures) (assumes 16 Khz, 16-bit mono recording)
Criticizing a 2002 estimate of 0.0049 zettabytes, linguist and University of Pennsylvania professor Mark Liberman asserted that it would actually require 42 zettabytes to house a recording of all speech in human history, even at a relatively low level of quality. For the purposes of his calculations, Liberman estimated the total duration of such a project to include 416,390,367 years of continuous audio.
It's about 80,000 times as much as The Internet
In other words, 347.20 zettabytes is 80,000 times the amount of The Internet, and the amount of The Internet is 0.0000100 times that amount.(2005 figures) (estimated)
Although the Internet is continuously changing, a 2005 estimate by Google CEO Eric Schmidt was that the total amount of data on the Internet would measure about 0.005 zettabytes. An estimated 1 trillion web pages are published on the Internet, excluding photos, videos, and music content.
It's about 700,000 times as much as The Spotify Catalog
In other words, 347.20 zettabytes is 700,000 times the amount of The Spotify Catalog, and the amount of The Spotify Catalog is 0.00000100 times that amount.(2018 figures)
Spotify, the music streaming service that serves over 170 million users per year, hosts a data catalog of about 0.0005 zettabytes on a Google Cloud Platform solution. In 2017, users listened to Spotify for a total of over 40.3 billion hours.
It's about 6,000,000 times as much as The Books in the Library of Congress
In other words, 347.20 zettabytes is 6,000,000 times the amount of The Books in the Library of Congress, and the amount of The Books in the Library of Congress is 0.00000020 times that amount.(2009 figures) (digitized entire collection)
The total collection of books, photographs, and other media housed by the United States Library of Congress would occupy about 0.0000700 zettabytes if fully digitized. The collection contains a total of 142,544,498 items as of 2009.
It's about 8,000,000 times as much as Mozy
In other words, 347.20 zettabytes is 8,000,000 times the amount of Mozy, and the amount of Mozy is 0.000000100 times that amount.(2009 figures) (total file storage)
Mozy, the online data backup service, stores about 0.0000500 zettabytes of data backed up its users. Founded in 2005, Mozy's customer base has grown to 1 million personal and 60,000 business subscribers in just 5 years.
It's about 80,000,000 times as much as The Letters Delivered by the US Postal Service in 2010
In other words, 347.20 zettabytes is 80,000,000 times the amount of The Letters Delivered by the US Postal Service in 2010, and the amount of The Letters Delivered by the US Postal Service in 2010 is 0.0000000100 times that amount.(2010 figures)
All letters delivered by the United States Postal Service in 2010 will equate to 0.00000500 zettabytes of data if stored digitally. In delivering the mail, the Postal Service fleet travels a total of 1.25 billion miles annually.
It's about 100,000,000 times as much as Netflix's Watch Instantly catalog
In other words, 347.20 zettabytes is 116,000,000 times the amount of Netflix's Watch Instantly catalog, and the amount of Netflix's Watch Instantly catalog is 0.00000000862 times that amount.(May, 2013 figures)
The uncompressed source copies of all the movies available for instant viewing on Netflix total 0.000002990 zettabytes. According to estimates, videos streamed from Netflix account for about 29% of all Internet traffic, as of 2013.