There's an interesting graph on this article that could have put that article's observation about adoption rate into an interesting perspective. Alas, the El Ca

There's an interesting graph on this article that could have put that article's observation about adoption rate into an interesting perspective. Alas, the El Capitan line is just getting started, so it doesn't show the part of the story that I was hoping to see. But it shows graphs of the last several versions – the last four of which are interesting because they show what adoption has been like since Apple started the annual release cadence. Their profiles aren't remarkably different, to my eye. They all have similar peaks immediately prior to the release of its successor. http://lowendmac.com/2015/the-rise-and-fall-of-mac-os-x-versions-2009-to-2015/ http://lowendmac.com/2015/the-rise-and-fall-of-mac-os-x-vers...