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/20110106221727/http://www.searchengineoptimising.com/glossary/glossary-of-computer-and-internet-terms/hdv
HDV is the next step up from Mini DV and the term stands for High-Definition Video. HDV must be recorded using a HD camcorder and it captures a high resolution image in 16:9 format.