Index: en_US.ISO8859-1/books/handbook/introduction/chapter.xml
===================================================================
--- en_US.ISO8859-1/books/handbook/introduction/chapter.xml
+++ en_US.ISO8859-1/books/handbook/introduction/chapter.xml
@@ -582,23 +582,11 @@
        </listitem>
 
        <listitem>
-         <para><link
-             xlink:href="http://www.whatsapp.com/">WhatsApp</link>
+         <para><link xlink:href="https://fudosecurity.com/en/">Fudo
+             Security</link>
            <indexterm>
-             <primary>WhatsApp</primary>
-           </indexterm> - When WhatsApp needed a platform that would
-           be able to handle more than 1 million concurrent TCP
-           connections per server, they chose &os;.  They then
-           proceeded to scale past 2.5 million connections per
-           server.</para>
-       </listitem>
+             <primary>Fudo Security</primary>
 
-       <listitem>
-         <para><link xlink:href="http://wheelsystems.com/">Wheel
-             Systems</link>
-           <indexterm>
-             <primary>Wheel Systems</primary>
-
            </indexterm> - The FUDO security appliance allows
            enterprises to monitor, control, record, and audit
            contractors and administrators who work on their systems.
@@ -637,11 +625,13 @@
 
        <listitem>
          <para><link
-             xlink:href="http://www.ghostbsd.org/">GhostBSD</link>
+             xlink:href="https://ghostbsd.org/">GhostBSD</link>
            <indexterm>
              <primary>GhostBSD</primary>
-           </indexterm> - A desktop oriented distribution of &os;
-           bundled with the Gnome desktop environment.</para>
+           </indexterm> - is derived from &os;, uses the GTK
+           environment to provide a beautiful looks and comfortable
+           experience on the modern BSD platform offering a natural
+           and native &unix; work environment.</para>
        </listitem>
 
        <listitem>
@@ -680,14 +670,39 @@
              xlink:href="https://www.trueos.org">TrueOS</link>
            <indexterm>
              <primary>TrueOS</primary>
-           </indexterm> - A customized version of &os; geared towards
-           desktop users with graphical utilities to exposing the
-           power of &os; to all users.  Designed to ease the
-           transition of Windows and OS X users.</para>
+           </indexterm> - TrueOS is based on the legendary security
+           and stability of &os;.  TrueOS follows &os;-CURRENT, with
+           the latest drivers, security updates, and packages
+           available.</para>
        </listitem>
 
        <listitem>
          <para><link
+             xlink:href="https://www.furybsd.org">FuryBSD</link>
+           <indexterm>
+             <primary>FuryBSD</primary>
+           </indexterm> - is a brand new, open source &os; desktop.
+           FuryBSD pays homage to desktop BSD projects of the past
+           like PC-BSD and TrueOS with its graphical interface and
+           adds additional tools like a live, hybrid USB/DVD image.
+           FuryBSD is completely free to use and distributed under
+           the BSD license.</para>
+       </listitem>
+
+       <listitem>
+         <para><link
+             xlink:href="https://www.midnightbsd.org">MidnightBSD</link>
+           <indexterm>
+             <primary>MidnightBSD</primary>
+           </indexterm> - is a &os; derived operating system
+           developed with desktop users in mind.  It includes all the
+           software you'd expect for your daily tasks: mail,
+           web browsing, word processing, gaming, and much
+           more.</para>
+       </listitem>
+
+       <listitem>
+         <para><link
              xlink:href="http://www.pfsense.org/">pfSense</link>
            <indexterm>
              <primary>pfSense</primary>