<i>extorting cash for patents</i><p>Standard practice among all the big players<p><i>office document lock-in</i><p>Standard practice among the players lucky enough to be able to do it (we now call it &#x27;walled garden&#x27;)<p>... My thesis is that all big tech firms now act as MS once did (or would if they could). But we&#x27;re just used to it now.