Here is an example of what the Apple brand looks like in the mind of a specific 50 year old. It probably has a lot in common with other people of a similar age. It will also have some elements in common with people from different generations but the overlap will be less. Great brands create strong, positive associations in the minds of people from successive generations by developing fresh advertising that is consistent with the past but keeps the brand feeling relevant as society and culture evolves over time. 

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