Starting in 1996, Alexa Internet has been donating their crawl data to the Internet Archive. Flowing in every day, these data are added to the Wayback Machine after an embargo period.
"Over the coming months and years, you will be hearing a lot about these partnerships. You will hear a lot about commitment and resolve. Hold us accountable for the initiatives we identify and for their successful implementation. At the same time, hold all governments -- in developed and developing countries alike -- accountable for implementing concrete actions to improve the lives of all our citizens. We owe this and future generations nothing less." Paula Dobriansky, Under Secretary of State for Global Affairs, August 29, 2002