How is that true? What about all the various gadgets that exist that nobody wanted until they were advertised to them?
If you don't know about something then how can it possibly be exactly what you want? You wouldn't want it if you didn't know it existed. Or how about brands like Coca-Cola, everyone knows they exist but they keep advertising, surely it's to make you want it!
If you don't know about something then how can it possibly be exactly what you want? You wouldn't want it if you didn't know it existed.
You may want something with accomplishes some goal without knowing exactly what. If a person thinks "I have to go out but I'm waiting for a call", they may not imagine the cellphone as an object, but they still want something that solves their problem.
That said, 73.6% of all statistics are made up. Many ads in fact are designed with both goals in mind.