The Internet Archive discovers and captures web pages through many different web crawls.
At any given time several distinct crawls are running, some for months, and some every day or longer.
View the web archive through the Wayback Machine.
Web wide crawl with initial seedlist and crawler configuration from October 2010
TIMESTAMPS
The Wayback Machine - https://web.archive.org/web/20110106181628/http://www.searchengineoptimising.com/glossary/glossary-of-computer-and-internet-terms/harddrive
A Hard Drive houses the hard disk and it is used to store data magnetically on a series of stacked disks. Each hard drive is a little larger than the palm of your hand yet it can still hold around 100GB of data.