Longer treatment of similar material by same author:<p><a href="http:&#x2F;&#x2F;www.goodreads.com&#x2F;book&#x2F;show&#x2F;946076.Why_Does_Software_Cost_So_Much_" rel="nofollow">http:&#x2F;&#x2F;www.goodreads.com&#x2F;book&#x2F;show&#x2F;946076.Why_Does_Software_...</a>