The article is a good summary of typical business models! I also learned a lot by trying to answer the <i>(Bonus question: what did the U.S. give to China in exchange for its china?)</i> - fur and opium.<p><a href="https://en.wikipedia.org/wiki/Old_China_Trade" rel="nofollow">https://en.wikipedia.org/wiki/Old_China_Trade</a><p>The article lists the following: Move, Store, Transform, Farm, Build, Mine, Health, Research, Information (Supply/Demand, Law, Journalism).<p><i>I'm pretty sure this is a comprehensive list. Can anyone think of anything I've left out?</i><p>Music and art come to mind as not being "useful information" but still appealing, because they reflect and enhance culture, which brings people together.<p>As for wealth storage, I heard another list of investment advice being told on a Sunday morning: stocks, bonds, and property.<p>I winced, because I don't trust the stock market (even though I do believe that some companies have great potential. Government bonds require political stability, which I worry about. Property values are destroyed in war or natural disasters, both of which I expect are likely to occur in my lifetime.<p>What could we invest in instead? Philanthropy. We could just give it all away! Building guanxi will endure even huge economic changes. Laptops and phones come and go, but Hacker News karma is forever ;-)<p><a href="https://news.ycombinator.com/item?id=28004632" rel="nofollow">https://news.ycombinator.com/item?id=28004632</a>