Cheaper, better, or faster. You can pick two.
The job of marketing is simply to study the market, competitors, partners, the supply chain, investors, and customers, to determine which of those two your company will be.
Fail and you fail.
While we have information democracy, we do not have equivalent resources and experiences.
Figure out where to invest your resources, based on your experience, and on the competition, customers, partners, and investors, that’s called marketing.
Everyone having the same information merely means your marketing has to be better, or cheaper, or faster 🙂