Programmers and marketing people know how to get into your subconscious - they spend millions of dollars researching colors, shapes, designs, symbols, that affect your preferences, and they can make you feel warm, trusting, like buying. They can manipulate you.
“A constitutional statesman is in general a man of common opinions and uncommon abilities.”
“If you suffer from depression, anything that makes you feel has to the most important thing in your life, because it's the only thing that can save you.”