One can make a good case for certain startups like Theranos or U-Beam to be the same type of non-productive investment as Bitcoin. Bitcoin exists only in the im

One can make a good case for certain startups like Theranos or U-Beam to be the same type of non-productive investment as Bitcoin. Bitcoin exists only in the imagination, but some business models or products are just as imaginary because they are physically impossible. It's the same phenomenon, capital being thrown at things increasingly unlikely to yield a return.