I think Linus mentioned something along those lines: on how the work on using Linux for supercomputers was the foundation of Linux for phones. It's a point Tann

I think Linus mentioned something along those lines: on how the work on using Linux for supercomputers was the foundation of Linux for phones. It's a point Tannenbaum makes in Modern Operating Systems: what is old, is new, and what is new is soon to be old, as the bottlenecks move, ideas that were abandoned get resurrected.