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/20110106183431/http://www.searchengineoptimising.com/glossary/glossary-of-computer-and-internet-terms/blu-ray
Blu-ray is a recently developed optical disk format which can be used for holding huge amounts of data in HD format. One disk is capable of containing 25GB of data - a CD can only hold 700MB of data while a DVD can hold 4.7GB.