Technology and War

I was able to Skype with Tom and the boys the other day.  I was very frustrated because of my living conditions, I am not able to talk to them, only hear them.  I could see them but not touch.  After we finished I started thinking about all the wars before this one and how difficult it must have been for those left behind and those at war.  There was no internet, google, Skype, cell phones, etc... It was all handwritten letters that may or may not be delivered.  By the time you received news, it had been a few weeks.  How fortunate we are to have this ability to not only talk to our loved ones but to see them too. 

But then I think about technology and all the evil things we do with it; IEDs, nuclear weapons, bombs that can wipe out an entire city.  I know that technology is something we can gain good from but why must it be used to control countries or populations?  I don't know, just random thoughts.