Interesting, but on the other hand affordable cities are not the cities that are desired, the price being often a supply and demand relationship. That Paris is

Interesting, but on the other hand affordable cities are not the cities that are desired, the price being often a supply and demand relationship. That Paris is an expensive city can only mean that the demand far exceeds the supply. San Francisco for example is amongst the most expensive cities on earth and personally I don't get its allure for software developers, especially given that we can work from anywhere, but it's probably about the potential. Software developers, much like artists, want investors and an audience.