Yes, and that will include static sites hosted on GitHub Pages. Avoiding Microsoft is often a problem when exchange documents with someone and the files don't

Yes, and that will include static sites hosted on GitHub Pages. Avoiding Microsoft is often a problem when exchange documents with someone and the files don't work well with whatever not-Office you choose (Apple Page/Numbers/Keynote, LibreOffice, etc.). I wonder if they can even attempt to block receiving or placing phone calls from/to a number with Skype on the other end.