Amazon.com installs recommendation engine

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Online book seller giant Amazon.com added new features to enhance commerce on its site, including a recommendation engine, subject-browsing areas and an easier ordering system.

The recommendation engine uses technology developed by Amazon.com using NetPerceptions GroupLens collaborative filtering technology.

In related news, Keystone Financial Web tapped PersonaLogic's decision guide software to drive automotive financing through the site with a tool that helps consumers select new cars.

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