1. Customers buy your product but fans buy and love it. Fans will enthusiastically promote the product to friends and family, will loyally continue to buy without having to be convinced, and will support the company and it's decisions with little hesitation because of how much they love the product.
2. Some factors affecting demand are price, quality, available substitutes, and consumer income.
3. People want a distraction from financial hardships.
4. If the core product is good, it increases the perceived value of ancilliary products. So people who buy an iPhone are more likely to value the other apple products more highly.
5. Event marketing increases brand visibility and gets large groups of people excited and talking about the product.
6. It depends, there are absolutely other things that they could spend millions on but the Superbowl ads are the most-watched ads of any US event so the exposure is generally worth more.
7. It increases brand visibility, recognition, and associates it with someone successful and popular.
8. There are arguments for both. Marketing yourself can get you far, increase your exposure, and help promote your career but at some point if you don't back it up with talent and results it won't matter.
9. This might level the field for athletes who shouldn't get an unfair advantage over each other but there is little relation to marketing without more context.
10. They bring in a lot of money and visibility for the company.