(http://en.wikipedia.org/wiki/File:Google_Chrome_icon_and_wordmark_%282011%29.svg),
which in turn is Google's original work.
+* The Windows 8 icon (icons/os_win8.png) is taken from Martz90's Cicle
+ Icons icon set
+ (http://www.iconarchive.com/show/circle-icons-by-martz90.html), which is
+ licensed under the CC Attribution-Noncommercial-No Derivate 4.0 license
+ (http://creativecommons.org/licenses/by-nc-nd/4.0/).
+
* The icon used (at different sizes) for both the generic network OS and
for the network-boot badge is from
https://www.iconfinder.com/icons/37048/intranet_network_icon.