A product that aids you when you browse the web: the moment you land on a page, it warns you if it thinks the article you are about to read might be a waste of

A product that aids you when you browse the web: the moment you land on a page, it warns you if it thinks the article you are about to read might be a waste of your time: http://news.ycombinator.com/item?id=1776409 http://news.ycombinator.com/item?id=1776409