how can Youtube or some portal site save such huge data?

Even if everyone in world saves 1mega there each one, it should be 6 billion mega… How can Youtube can keep their data? it has huuuuuuge hard disks in company??

http://www.maximumpc.com/files/u69/Altix_4700.jpg

This is a picture of a room with 524 Terrabytes of storage, or “524 million megabytes” in your phrasing. You’d only need 12 of these rooms to meet your “1 megabyte per person in the world”. In the normal world, these rooms are smaller, but there are many more of them than just 12. Think thousands.

Portal 2 – E3 2010: Wheatley

Moody sky over Poulnabrone Dolmen Portal Megalithic tomb at dusk Photo Mugs Moody sky over Poulnabrone Dolmen Portal Megalithic tomb at dusk, The Burren, County Clare, Munster, Republic of Ireland (Eire), Europe….

Poulnabrone Dolmen Portal Megalithic Tomb Photo Mugs Poulnabrone Dolmen Portal Megalithic Tomb, The Burren, County Clare, Munster, Republic of Ireland (Eire), Europe….

Poulnabrone Dolmen Portal Megalithic Tomb Photo Mugs Poulnabrone Dolmen Portal Megalithic Tomb, The Burren, County Clare, Munster, Republic of Ireland, Europe….

Cities, Towns and Villages in Nev Ehir Province: Avanos, Gerce, Kozakl, Derinkuyu, Urgup, Gul Ehir, Hac Bekta, AC Gol $13.05 New – Chapters: Avanos, Gerce, Kozakl, Derinkuyu, Urgup, Gul ehir, Hac bekta, Ac gol. Source: Wikipedia. Pages: 30. Not illustrated. Free updates online. Purchase includes a free trial membership in the publisher’s book club where you can select from more than a million books without charge. Excerpt: Avanos – Summers are hot and dry, while winters are cold and wet. Portal of 13th century Seljuk caravanserai Sar Han in Avanos About 5 km (3 mi) from Avanos and 1 km (1 mi) from Paabalar, the site o

Combating Nuclear Smuggling: Corruption, Maintenance $23.99 New – Original publisher: [Washington, D.C.]: U.S. Govt. Accountability Office, [2006] OCLC Number: (OCoLC)86223524 Subject: Radioactive substances — Detection. Excerpt: …Figure 2: Older Radiation Portal Monitor Able to Detect Only Gamma Radiation at a Border Site in Georgia Source: GAO. Page 10 GAO-06-311 Combating Nuclear Smuggling

Combating Nuclear Smuggling: Corruption, Maintenance $23.99 Used – Original publisher: [Washington, D.C.]: U.S. Govt. Accountability Office, [2006] OCLC Number: (OCoLC)86223524 Subject: Radioactive substances — Detection. Excerpt: …Figure 2: Older Radiation Portal Monitor Able to Detect Only Gamma Radiation at a Border Site in Georgia Source: GAO. Page 10 GAO-06-311 Combating Nuclear Smuggling