It's about as much as Wikipedia.
(2009 figures) (all languages)
As of 2009, Wikipedia held 53 gigabytes (gB) 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 one-and-one-tenth times as much as a Blu-ray Disc.
In other words, the amount of a Blu-ray Disc is 0.91 times 53 gigabytes.(a.k.a. BD) (dual-layer; Blu-ray disc)
It's about one-third as much as an iPod.
In other words, 53 gigabytes is 0.331 times the amount of an iPod, and the amount of an iPod is 3.02 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 160 gigabytes (gB). 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 eleven times as much as a DVD.
In other words, the amount of a DVD is 0.091 times 53 gigabytes.(a.k.a. digital video disc) (single-side, single-layer; DVD-5 specification)
It's about twelve-and-a-half times as much as an HDTV Television Show (30 Minutes).
In other words, the amount of an HDTV Television Show (30 Minutes) is 0.0794 times 53 gigabytes.(a.k.a. High Definition television, a.k.a. HD) (digital signal, QAM-256; 30 minutes)
It's about 75 times as much as a Compact Disc.
In other words, 53 gigabytes is 73.61 times the amount of a Compact Disc, and the amount of a Compact Disc is 0.01359 times that amount.(80-minute, 360,000 sector disc; "Red Book" specifications)
A typical, 80-minute capacity compact disc, commonly known as a 0.6836 gigabytes disc will actually hold 0.72 gigabytes of data. Such disks are 1.2 mm (0.047 in) thick.
It's about one-seventy-fifth as much as Watson.
In other words, the amount of Watson is 77 times 53 gigabytes.(data store only)