Is it too hard to imagine that "something else" might be popular in 2030? Or perhaps not. But at some point, you and I will retire (etc), and the next generat

Is it too hard to imagine that "something else" might be popular in 2030? Or perhaps not. But at some point, you and I will retire (etc), and the next generation might have other preferences, or discover something insanely great that we simply aren't used to.