David Passell found this article to be of interest to him, and wonders if there are any other dinosaurs out there. http://www.macworld.com/article/3027595/os-x/apple-just-updated-retired-os-x-106-snow-leopard-for-the-first-time-since-2013.html?NL=MAC-01&Issue=MAC-01_20160129_MAC-01_290&sfvc4enews=42&cl=article_7&utm_rid=CPNET000003550170&utm_campaign=816&utm_medium=email&elq2=292845554b354a2195a16d396e03c9f8