I find Amazon's best at reminding that I've got third-party cookies enabled. E.g., I research the Hitler teapot† on Amazon. Then, suddenly, I'm seeing teapot a

I find Amazon's best at reminding that I've got third-party cookies enabled. E.g., I research the Hitler teapot† on Amazon. Then, suddenly, I'm seeing teapot ads everywhere. †http://blogs.scientificamerican.com/illusion-chasers/2013/06/12/hitler-teapot/ http://blogs.scientificamerican.com/illusion-chasers/2013/06...