Advertising serves two main purposes:
The companies selling the advertising, they calculate a dollar amount that matched the perceived value of the people they are providing access to.
The tension attracts us and scares us at the same time. Excitement and fear are climatic feelings and enducing those feelings allow you to gain attention when it's most needed.
History repeats itself because people do very little to change it. We know the outcome, but we still go through with it anyway. The outcome is predictable and predictability becomes comfortable.
We ignore messages of what we don't want to be influenced by. In advertising, this happens at the exact rate it should. When you abuse attention, you lose progression.
Digital advertising has answers to the questions you really need to answers to.
Buying decisions are based on trust. Internal trust and external trust are linked to buying behavoirs.