There was some website linked to by HN a while ago that as you scrolled down the page, history events would be recorded. So if you wanted to go back to the prev

There was some website linked to by HN a while ago that as you scrolled down the page, history events would be recorded. So if you wanted to go back to the previous page, you'd have to press back about 8 times if you scrolled to the end of the article.