Of course, there is a long tail of things that can't/won't migrate. I still see Python2.7 production code on a semi-regular basis (not network exposed, but very

Of course, there is a long tail of things that can't/won't migrate. I still see Python2.7 production code on a semi-regular basis (not network exposed, but very much at the core of critical business processes of major enterprises). And I'm sure we'll have X11 desktops around for various purposes ten years from now.