The article clears up some common misconceptions
I thought that if I blocked 3rd party cookies and used "no tracking" mode or incognito mode, that websites couldn't track me. I was wrong! This article by the DuckDuckGo engine demonstrates how easy it is to be tracked using browser fingerprinting. In the article are a couple of links that let you test it out interactively, which is definitely worth a try if you want a demo.