The rule of 7 states, it takes 7 interactions with your brand before a person will engage with it and become a client or customer.

Fear creates uncertainty.  Uncertainty creates a sense of dis-equilibrium within us that we try to correct, so we can feel balanced and in equilibrium again.

Clickbait is the tactic of teasing users with intriguing ads or posts of your content to entice them to click-through and read.