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.
“When you get something for nothing, you just haven't been billed for it yet.”
“He was a dreamer, a thinker, a speculative philosopher... or, as his wife would have it, an idiot.”