Yet, most people throughout history have thought (and still think today) that the future will look like a slightly modified version of the recent past. That is because the really big boom periods and the really big bust periods, like many things, come along about once in a lifetime and so they are surprising unless one has studied the patterns of history over many generations. Because the swings between great and terrible times tend to be far apart the future we encounter is likely to be very different from what most people expect.
