Software companies have colonised lots of industries. Today the most valuable taxi, hotel, retail, advertising and car companies are essentially software companies of different types. Software companies colonise other industries because making software is hard. It’s harder to build a software system than to organise a taxi company. So the people who know how to make software are at an advantage. They can figure out the other bits as they go. That’s why Uber grew out of San Francisco, rather than out of a big taxi company like London’s Addison Lee.  There are industries software hasn’t colonised yet. In some,…