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.
It normally takes decades to build a brand... It's the forgetting of the old truth that allows a person to accept a new truth. You need to allow enough time for this forgetting to take place
When a really new product comes along, it's almost always a mistake to hang a well-known name on it. The reason is obvious. A well-known name got well-known because it stood for something. It occupies a position in the prospect's mind. A really well-known name sits on the top rung of a sharply defined ladder. The new product, if it's going to be successful, is going to require a new name. New ladder, new name. It's as simple as that.
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.