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Multiples of bytes
Decimal
Value Metric
1000 kB kilobyte
10002 MB megabyte
10003 GB gigabyte
10004 TB terabyte
10005 PB petabyte
10006 EB exabyte
10007 ZB zettabyte
10008 YB yottabyte
Binary
Value JEDEC IEC
1024 KB kilobyte KiB kibibyte
10242 MB megabyte MiB mebibyte
10243 GB gigabyte GiB gibibyte
10244 - - TiB tebibyte
10245 - - PiB pebibyte
10246 - - EiB exbibyte
10247 - - ZiB zebibyte
10248 - - YiB yobibyte
Orders of magnitude of data

The zettabyte is a multiple of the unit byte for digital information. The prefix zetta indicates the seventh power of 1000 and means 1021 in the International System of Units (SI), and therefore one zettabyte is one sextillion (one long scale trilliard) bytes.[1][2][3][4][5] The unit symbol is ZB.

1 ZB = 1000000000000000000000bytes = 10007bytes = 1021bytes = 1000exabytes = 1 billion terabytes.

A related unit, the zebibyte (ZiB), using a binary prefix, means 10247bytes.

## Usage examples

• GUID Partition Table (GPT) allows for a maximum disk and partition size of 9.4 zettabytes, or 8 zebibytes, when using 512-byte sectors.[6][7]
• ZFS allows for a maximum storage capacity of 256 quadrillion zettabytes.[8]

## Comparisons for scale

The combined space of all computer hard drives in the world was estimated at approximately 160 exabytes in 2006.[9] As of 2009, the entire World Wide Web was estimated to contain close to 500 exabytes.[10] This is one half zettabyte. This has increased rapidly however, as Seagate Technology reported selling 330 exabytes worth of hard drives during the 2011 Fiscal Year.[11]

As of 2013, the World Wide Web is estimated to have reached 4 Zettabytes.[12]

• The world's technological capacity to receive information through one-way broadcast networks was 0.432 zettabytes of (optimally compressed) information in 1986, 0.715 in 1993, 1.2 in 2000, and 1.9 (optimally compressed) zettabytes in 2007 (this is the informational equivalent to every person on earth receiving 174 newspapers per day).[13][14]
• According to International Data Corporation, the total amount of global data is expected to grow to 2.7 zettabytes during 2012. This is an increase of 48% from 2011.[15]
• Mark Liberman calculated the storage requirements for all human speech ever spoken at 42 zettabytes if digitized as 16 kHz 16-bit audio. This was done in response to a popular expression that states "all words ever spoken by human beings" could be stored in approximately 5 exabytes of data (see exabyte for details). Liberman did freely confess that "maybe the authors [of the exabyte estimate] were thinking about text".[16]
• Research from the University of Southern California reports that in 2007, humankind successfully sent 1.9 zettabytes of information through broadcast technology such as televisions and GPS.[17]

## References

1. ^ Tom Burton (2008-01-31). "Zettabyte flood predicted for 2015".
2. ^ Lucas Mearian (2007-03-06). "A zettabyte by 2010: Corporate data grows fiftyfold in three years". Computerworld.
3. ^ Lucas Mearian (2008-03-11). "Study: Digital universe and its impact bigger than we thought". Computerworld.
4. ^
5. ^ Bret Swanson & George Gilder (2008-01-29). "The Impact of Video and Rich Media on the Internet – A ‘zettabyte’ by 2015?". Discovery Institute.
6. ^ "FAQ: Drive Partition Limits" (PDF). UEFI Forum. 2010-06-09. Retrieved 2013-05-29.
7. ^ Roderick W. Smith (2012-07-03). "Make the most of large drives with GPT and Linux". IBM. Retrieved 2013-05-29. "Disk pointers are 64 bits in size, meaning that GPT can handle disks of up to 512 x 264 bytes (8 zebibytes, or 8.6 billion TiB), assuming 512-byte sectors."
8. ^ "Oracle Solaris ZFS Administration Guide". Oracle Corporation. Retrieved July 27, 2013.
9. ^ John F. Gantz (March 2007). "An IDC White Paper: The Expanding Digital Universe" (PDF). EMC.
10. ^ Richard Wray (2009-05-18). "Internet data heads for 500bn gigabytes". The Guardian.
11. ^ Douglas Perry (2011-07-22). "The Average HDD is Now 590 GB in Capacity". Tom's Hardware.
12. ^ Richard Currier (2013-06-21). "In 2013 the amount of data generated worldwide will reach four zettabytes".
13. ^ Martin Hilbert and Priscila López (2011-02-10). "The World’s Technological Capacity to Store, Communicate, and Compute Information". University of Vermont. Vol. 332 no. 6025 pp. 60-65
14. ^ Martin Hilbert (2011-06-11). "World_info_capacity_animation". Youtube.
15. ^
16. ^ Mark Liberman (2003-11-03). "Zettascale Linguistics". University of Pennsylvania. Retrieved 2012-07-31.
17. ^ Suzanne Wu (2011-02-10). "How Much Information Is There in the World?". University of Southern California.
18. ^ Roger E. Bohn & James E. Short (January 2010). "How Much Information? 2009 Report on American Consumers". University of California, San Diego.
19. ^ Catherine Herridge (April 12, 2013). "NSA data center front and center in debate over liberty, security and privacy". Fox News Channel.
20. ^ [1]
21. ^ [2]
22. ^ Blueprints Of NSA's Ridiculously Expensive Data Center In Utah Suggest It Holds Less Info Than Thought, Forbes, July 24, 2013, Retrieved December 19, 2013
23. ^

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 The Zettabyte Revolution in Video Marketing 2015http://www.inter-actions.ca The growth of of the internet to Zettabyte proportions will mean explosive opportunities for internet marketers, especially those... My Zettabyte Hard DriveMy Zettabyte Hard Drive Eat You Heart Out Mr. TechnO! Welcome to the Zettabyte Era - Cisco VNINeed help? Click here to find a local Cisco partner who can offer solutions: http://cs.co/9009TMAS. Transcript: By the year 2016, annual global IP traffic wi... NSA Utah Data Center Will Have 5 Zettabytes Of Memory, Equal To 312 Billion iPhonesFacility will have a 3 million gallon water tank just to run the air conditioning to cool the computers. Mission Data Analytics: From A to ZettabyteRaytheon delivers massive data through real-time analytics to ensure customer success in a world of endless data. For more information, visit: http://www.ray... ZettaByte - X-Men Animated TV Series Theme (Dubstep Remix)This is the first remix i ever made. Hope you like it. Das Zettabyte-ZeitalterDie digitale Datenflut steigt rasant an. Immer größere Dimensionen sind erforderlich, um sie zu beschreiben. Dr. Carlo Velten von der Experton Group erklärt,... ZettaByte - Sunrise In My Heart, Lyrics Version (Official Music Video)SUNRISE IN MY HEART Artist: ZettaByte Composer: Andrew Larson LYRICS: (Verse) I wanna let you know, You set the first spark in my heart. The bug's bitten me,... Day 18: ZettabyteIf you are interested in the Lego M.O.C. creations I've built, click here: http://www.mocpages.com/home.php/14928 Guards, and act as diggers. Facebook Fanpag... Workshop Tecnico 2013 N°3 - ZFS: Zettabyte File SystemMateriale e slides dei Workshop Tecnici 2013 http://www.poul.org/attivita/altri-eventi/incontri-settimanali-2013/
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 Incredible Machines: trying to negotiate in a zettabyte world Vancouver Sun (blog) Mon, 03 Mar 2014 13:33:45 -0800 Next year, for the first time, the amount of global Internet traffic is expected to reach one zettabyte — that's a one with 21 zeros. If you prefer, you could call a zettabyte one sextillion bytes — equivalent to the amount of data on 250 billion ... Middle East organizations need better data management practices CIOL Sun, 09 Mar 2014 03:07:30 -0700 The world generated more than one zettabyte (ZB), or one million petabytes (PBs), of data in 2010[1]. This year, the growth is predicted to reach 72 ZBs a year, fueled in part by the rapid rise of machine-generated data. Structured data (e.g., data ... Smart Data Collective Welcome to the Big Data Economy Smart Data Collective Thu, 06 Mar 2014 20:18:45 -0800 With big, scary sounding words and numbers like petabyte and zettabyte, the knee-jerk way to talk about and understand this type of data is to conflate it with hype and fear. Using Data to Create Value. With any new infrastructure or system come doubt ... CMSWire 5 Things to Lessen Your Anxiety About Big Data CMSWire Tue, 04 Mar 2014 13:45:00 -0800 (A petabyte (PB) is 1015 bytes of data, 1,000 terabytes (TB) or 1,000,000 gigabytes (GB). bites; a zettabyte is approximately equal to a thousand exabytes or a billion terabytes.) Instead, said Davenport, you can define big data as more data than fits ... Harvard Magazine Why “Big Data” Is a Big Deal Harvard Magazine Tue, 18 Feb 2014 10:06:02 -0800 ... trains, buses, planes, bridges, and factories. The data flow so fast that the total accumulation of the past two years—a zettabyte—dwarfs the prior record of human civilization. “There is a big data revolution,” says Weatherhead University ... SYS-CON Media (press release) The IoT: Think Big. Then Think Bigger SYS-CON Media (press release) Mon, 10 Feb 2014 15:03:45 -0800 The IoT and the Zettabyte Era provide the greatest opportunity ever for hardware designers and producers, software developers, enterprise technology deployers, and consumers. What to do? Attend @ThingsExpo in New York June 10-12. We have the ... CPJ Press Freedom Online The NSA Puts Journalists Under a Cloud of Suspicion CPJ Press Freedom Online Tue, 11 Feb 2014 19:22:30 -0800 Bolder theorists such as the former NSA analyst Binney say the Utah facility will have a gross storage capacity of about one zettabyte, or 1,024 exabytes. Binney told CPJ that the NSA is mapping individuals' lives, particularly their social and ... SYS-CON Media (press release) Best Open Cloud for IoT Solution @ThingsExpo 2014 SYS-CON Media (press release) Tue, 25 Feb 2014 10:08:43 -0800 Cloud Expo Inc. has announced that the "Open Cloud for IoT Shoot-Out at @ThingsExpo New York " will take place at 14th Cloud Expo, being held June 10-12, 2014, at the Javits Center in New York City. Nominations for participating vendors will be ...
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