We used to call them gadgets. Now, they are called devices. That has a much more respectable ring to it. But at the end of the day, it amounts to the same thing. These objects of tech lust fill us with wonder and spark our collective imagination. We happily pay the gadget tax of excitement and disappointment. The companies that make these products are not our friends. They make promises they can’t keep. And nothing ever lives up to its billing. But once in a great while, we strike gold. And a product comes through, at least, enough to hype us up for the next cycle of excitement and disappointment.…