The real barrier (to building a brand) is the human mind. It normally takes decades to build a brand because it takes decades to penetrate the gray matter in between your ears.
A laser is a weak source of energy. A laser takes [only] a few watts of energy and focuses them in a coherent stream of light. But with a laser, you can drill a hole in a diamond or wipe out cancer.
Changing the direction of a large company is like trying to turn an aircraft carrier. It takes a mile before anything happens. And if it was a wrong turn, getting back on course takes even longer.
If you can build a powerful brand, you will have a powerful marketing program. If you CAN'T then all the advertising, fancy packaging, sales promotion and public relations in the world won't help you achieve your objective.
Only brand names register in the mind... What you should generally do is take a regular word and use it out of context to connote the primary attribute of your brand.
To get into the consumer's mind, you have to sacrifice. You have to reduce the essence of your brand to a single thought or attribute. An attribute that nobody else already owns in your category.