Many of the sneaky tricks that Web designers use to get you to part with your money. All collected into one website.
This is a neat graph — where each of the identified techniques fits into the experience: http://darkpatterns.org/journey_map/
Defenses: Knowing what you want and sticking to doing JUST that. Also knowing the tricks, but many of them are so prevalent you probably know them already.
“A Dark Pattern is a type of user interface that has been carefully crafted to trick users into doing things, such as buying insurance with their purchase or signing up for recurring bills.
Normally when you think of “bad design”, you think of the creator as being sloppy or lazy but with no ill intent. This type of bad design is known as a “UI anti-pattern” Dark Patterns are different – they are not mistakes, they are carefully crafted with a solid understanding of human psychology, and they do not have the user’s interests in mind.”