I ended my post on IPv6 address design saying I would follow up by showing you a few simple tricks for working with hexadecimal numbers. Then the long-predicted depletion of the IANA pool of IPv4 ...
Log out of Google and search for [binary], [octal] and [hexadecimal] and you will see a little geeky easter egg. The easter egg shows the value of the results in that number systems. For example, here ...