These 10 Corporations Control Almost Everything You Buy: ". most products we buy are controlled by just a few companies. It's called "The Illusion of Choice. Despite a wide array of brands to choose from, it all comes back to the big guys.
anna-vital: “ How To Think Visually Using Visual Analogies Most research in cognitive science explores how we see things but little research is done on how we understand what we see. Understanding is the ultimate test of how good your visualization.