I bet they will still be using Android and iOS devices, accessing those systems from Windows and macOS desktops and laptops, developing the bulk of the applications in Java (Oracle), C# (Microsoft), Go (Google),....
The solution isn't going for a few cloud products, or Libre Office, the solution has to be the whole stack like during cold war days when almost every nation had their own computing stack.
The solution isn't going for a few cloud products, or Libre Office, the solution has to be the whole stack like during cold war days when almost every nation had their own computing stack.