Benedict Evans wrote on Nov 16: “When I arrived at university in 1995, all the CS students were running Linux, and they were all convinced that Linux would crush Microsoft, open source would destroy proprietary software, no-one would ever run Windows and no-one would ever buy software again. About half of that happened. Open source did take over the tech industry and it’s inside everything we use, but we don’t write our own apps, and in fact SaaS is the return of closed software.“