Harry Brignull’s “Dark Pattern Library” pops up from time to time on various news feeds (today on Business Insider, for their mutual SEO benefit). We hired Harry when I was at Hotels.com to do some customer research work in 2009. I recall we got along OK. The fact that he later included us in his Library was somewhat surprising, but I suppose not altogether shocking. We were at the time showing headline prices exclusive of taxes and fees (scroll …