Marketing

First off, it helps to have a product worth marketing...

Here are the Worst Product Flops of all time.

https://www.businessinsider.com/biggest-product-flops-in-history-2016-12/#1989-1992-pepsi-am-and-crystal-pepsi-4

Back before it was called advertising and marketing, it was called propaganda and Edward Bernays was the Father of Propaganda...

CASE STUDIES:

The future of marketing?

SUBLIMINAL ADVERTISING:

Did you see it?

An interesting follow-up article:

https://www.wordstream.com/blog/ws/2017/10/24/subliminal-advertising