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/20110106210825/http://www.searchengineoptimising.com/glossary/glossary-of-computer-and-internet-terms/cameraraw
Professional photographers like to photo graph in camera RAW as it does not automatically correct and compress files as most digital cameras do. It allows them to make their own corrections as they are unprocessed.