1.0OpenExpo Europe 2021 - Virtual Experiencehttps://openexpoeurope.com/en/OpenExpo Europehttps://openexpoeurope.com/en/author/administrador/rich600338<blockquote class="wp-embedded-content" data-secret="1y9gOpafUC"><a href="https://openexpoeurope.com/en/speaker/jon-maddog-hall/">Jon “maddog” Hall</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://openexpoeurope.com/en/speaker/jon-maddog-hall/embed/#?secret=1y9gOpafUC" width="600" height="338" title="“Jon “maddog” Hall” — OpenExpo Europe 2021 - Virtual Experience" data-secret="1y9gOpafUC" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script> /*! This file is auto-generated */ !function(d,l){"use strict";l.querySelector&&d.addEventListener&&"undefined"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!/[^a-zA-Z0-9]/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),o=l.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),c=new RegExp("^https?:$","i"),i=0;i<o.length;i++)o[i].style.display="none";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute("style"),"height"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):"link"===t.message&&(r=new URL(s.getAttribute("src")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener("message",d.wp.receiveEmbedMessage,!1),l.addEventListener("DOMContentLoaded",function(){for(var e,t,s=l.querySelectorAll("iframe.wp-embedded-content"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute("data-secret"))||(t=Math.random().toString(36).substring(2,12),e.src+="#?secret="+t,e.setAttribute("data-secret",t)),e.contentWindow.postMessage({message:"ready",secret:t},"*")},!1)))}(window,document); //# sourceURL=https://openexpoeurope.com/wp-includes/js/wp-embed.min.js </script> https://openexpoeurope.com/wp-content/uploads/2018/04/jon-maddog-hall-bn.png400400In the computing industry since 1969. Have been a programmer, systems administrator, product manager, technical marketing manager, consultant, university educator, book author, magazine author and blogger. Foresaw several trends before they happened. Rise of Unix as an operating system, the use of CD-ROMs for distribution of software, the rise of Linux as a commercial system,... Read More