It's about 7,000 times as much as The Amazon.com's databases.
In other words, 299 petabytes is 7,235.570 times the amount of The Amazon.com's databases, and the amount of The Amazon.com's databases is 0.000138206 times that amount.(largest databases only; 2005 figures)
Amazon.com maintains information on the millions of items sold on it's e-Commerce website and the websites of its affiliate companies, as well as information on customer orders and browsing history, and excerpts from nearly a quarter-billion books in databases totaling an estimated 0.0423154 petabytes of data. Amazon.com receives over 615 million visits to its US website each year.
It's about 50,000 times as much as a Gap, Inc. Customer Database.
In other words, the amount of a Gap, Inc. Customer Database is 0.0000200 times 299 petabytes.(a.k.a. The GAP Companies, a.k.a. Gap) (2012 figures)
The GAP Inc., the corporate parent of GAP store, Old Navy, and Banana Republic, has accumulated over 0.007 petabytes of data on almost a billion customers. The GAP, Inc remains the largest apparel retailer in the United States and was the largest in the world from the mid-1990s until about 2008.
It's about 75,000 times as much as Watson.
In other words, the amount of Watson is 0.0000130 times 299 petabytes.(data store only)
Watson, the IBM supercomputer famous for competing against humans on the televised trivia game show Jeopardy!, utilizes 0.0039 petabytes of variously-structured data to formulate answers. While "thinking", Watson processes about 0.00048 petabytes of data per second.
It's about one-one-hundred-fifty-thousandth as much as All Spoken Words in Human History (recorded).
In other words, the amount of All Spoken Words in Human History (recorded) is 150,000 times 299 petabytes.(2003 figures) (assumes 16 Khz, 16-bit mono recording)
Criticizing a 2002 estimate of 5,100 petabytes, linguist and University of Pennsylvania professor Mark Liberman asserted that it would actually require 44,000,000 petabytes 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 2,000,000 times as much as an iPod.
In other words, 299 petabytes is 1,960,000 times the amount of an iPod, and the amount of an iPod is 0.000000510 times that amount.(a.k.a. Apple iPod) (2010 figures; for iPod classic, sixth generation)
A sixth-generation, iPod classic MP3 player offers a storage capacity of 0.000153 petabytes. Data is stored in the unit's hard drive, a 5,400 RPM SATA drive, which measures about 30 sq. cm (5 sq. in)
It's about 6,000,000 times as much as Wikipedia.
In other words, 299 petabytes is 5,900,000 times the amount of Wikipedia, and the amount of Wikipedia is 0.000000170 times that amount.(2009 figures) (all languages)
As of 2009, Wikipedia held 0.0000510 petabytes of publicly written and edited encyclopedia articles on 14.5 million subjects as well as associated commentary and discussion. Wikipedia is among the ten most popular websites on the Internet and the only non-profit entity in that group.
It's about 6,500,000 times as much as a Blu-ray Disc.
In other words, the amount of a Blu-ray Disc is 0.000000160 times 299 petabytes.(a.k.a. BD) (dual-layer; Blu-ray disc)
A typical Blu-ray disc will hold 0.0000480 petabytes of data. The increase in capacity versus a standard DVD is possible because of the smaller wavelength of blue light — 405 nanometers instead of 650 nanometers for the red laser light used in a DVD.