- Demo
Tapping into your browser history
http://icant.co.uk/sandbox/nickhistory.html

- Reference
techfoolery - 2006-08-21 - A New Way of Tracking Users' Browsing Habits
http://techfoolery.com/archives/2006/08/21/2042/

- via
phpspot開発日誌 - 2006-08-25 - CSS＆JavaScriptを使ってサイト利用者の訪問済みor未訪問サイトを分析
http://phpspot.org/blog/archives/2006/08/cssjavascriptor.html