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Retro Optimization is a complex process of updating a website's archived content in Archive.org's Wayback machine to allow a marketer to promote current content to past consumers.

Based upon web 1.5 technology, Retro Optimization gives consumers the ability to get their hands on new products and services after they undergone years of trial an error prior to their initial development.
Thanks to Retro Optimization I was to sell more inventory in 2008 than I had previously sold in 2008 by updating the promotion we had in our 2007 marketing campaign. It worked so well, I'm going to have gotten a bonus for the improvements I'm going to make for last year.
by Pete DiMaio April 07, 2009