It's about 85,000,000 times as much as YouTube's video database.
In other words, the amount of YouTube's video database is 0.0000000120 times 42 zettabytes.(2008 figures) (video data only)
YouTube's collection of user-generated and commercially-produced videos measures about 0.000000490 zettabytes in total data volume. Every minute, an average of 35 hours of new video content is uploaded to YouTube.
It's about 100,000,000 times as much as a Walmart's Mainframe.
In other words, 42 zettabytes is 99,000,000 times the amount of a Walmart's Mainframe, and the amount of a Walmart's Mainframe is 0.00000001000 times that amount.(a.k.a. Wal-Mart, a.k.a. Wal-Mart Stores, Inc) (2004 figures)
As of 2004, Walmart had accumulated nearly 460 terabytes of data about its customers, inventory, products, and sales. According to some estimates, the total area of all Walmart stores in the United States measures 64,000,000 sq. m.
It's about 200,000,000 times as much as Pandora.
In other words, 42 zettabytes is 180,000,000 times the amount of Pandora, and the amount of Pandora is 0.00000000560 times that amount.(a.k.a. Pandora Radio) (2011 figures)
Pandora, the online radio and song recommendation service, stores 0.000000230 zettabytes of music. Its music recommendation service categorizes each song in its library using 400 attributes and 2,000 attribute combinations.
It's about 300,000,000 times as much as The IRS Compliance Database.
In other words, the amount of The IRS Compliance Database is 0.00000000330 times 42 zettabytes.(a.k.a. Internal Revenue Service) (2006 figures)
The United States Internal Revenue Service's compliance database holds more than 0.000000140 zettabytes of data on tax returns and other records. Each year of tax records occupies between 0.0000000160 zettabytes.
It's about 300,000,000 times as much as Despicable Me.
In other words, 42 zettabytes is 317,000,000 times the amount of Despicable Me, and the amount of Despicable Me is 0.000000003150 times that amount.(2010) (Production data)
The 2010 digitally-animated film Despicable Me was developed by Illumination Entertainment and Mac Guff Ligne and used 0.0000001320 zettabytes. The film had a running time of 95 minutes.
It's about 350,000,000 times as much as The Hubble Telescope.
In other words, the amount of The Hubble Telescope is 0.00000000280 times 42 zettabytes.(a.k.a. Hubble Space Telescope, a.k.a. HST) (2008 figures)
Between its launch in 1990 and 2008, the Hubble Space Telescope gathered 0.000000110 zettabytes of images and other data about astronomical phenomena. Last upgraded during a service mission in 1999, the onboard computer of the Hubble Telescope has just 0.00000000000000180 zettabytes of operating memory (RAM) — less than most smartphones.
It's about 500,000,000 times as much as The LHC Data Generated per Second.
In other words, the amount of The LHC Data Generated per Second is 0.00000000200 times 42 zettabytes.(a.k.a. Large Hadron Collider) (2008 figures)
Capturing millions of measurements per second on millions of subatomic particles, the Large Hadron Collider (LHC) at the European Organization for Nuclear Research (CERN) facility in Geneva generates 0.0000000900 zettabytes of data every second. Data collection arrays are placed throughout the LHC's 8.6 km (5.3 mi) circular track.