Technology is now at such a place where when we get an email or see an ad, we assume that there is some reason that we are seeing it. We all know that email open rates and time spent reading pages can be tracked. Consumers understand that their interaction history on a website can be used to recommend products and content. But, when I look under the hood, I am often surprised how little tracking is actually being done. When I look across the landscape of user experiences on the web, as well....