Out with the old and the new

At opposite ends of the shopping spectrum, you have the early adopters who rush to embrace the newest and shiniest products the moment they hit the market, and then you have those who choose to clutch on to the familiar, refusing to change until they have no choice. Even those of us in the middle have likely found ourselves hesitating at some point, reluctant to try something new. Is there some innate distrust in most humans that makes it difficult to fully embrace the latest innovations?
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