If you like graphics , and ones you can manipulate, such as  interactive radar. Take a look at this link.

The program takes a moment to load. It  is a representation of weapon imports and exports both military and civilian including ammo across the World.

http://balder.prio.no/armsglobe2/index.php

I hope everyone is hanging on to their  large screens and keyboards. I prefer a desktop  machine and a monitor over a laptop.The Ipad is good, for some activities, but our desktop is still the workhorse .

Mike