‘It is also SELECTIVE … because, apparently, we have always been overwhelmed by sensory data and can’t begin to notice it all. Even before Snap and the iPhone X, our brains said: “Too much! Give me the bullets!”… For advertising, the implications are obvious. To rise from our sensory swamp, an ad must be EMOTIONALLY INTENSE. We assume the binary default is positive, but there is evidence that negative works as well. This study (from a consultancy now called System 1) showed that ads we hate are more likely to get us to buy a product than ads we don’t notice’
Original source: How Does Advertising Work?