> This is a great business of course but there are not many of them given the scale of the whole economy. This is a very good point to emphasize. Most readers

> This is a great business of course but there are not many of them given the scale of the whole economy. This is a very good point to emphasize. Most readers here on HN work in IT and are thus inherently biased. The reality is that the majority businesses rely on having a workforce of humans.