Dynamism of existence

Have you ever wonder why things keep improving and changing, technology wise human are getting closer to that moment where we will all be at the mercy of machine, most times i wonder what is like back then called dark ages when nothing like internet not technological advancement had been put in place, yet the world seems safer for those who live in those era, although no sophisticated improvement to most sector of human existence, yet they live much more happier than now, weapon of mass destruction isnt as rampant as it is today, the more comfort human seek always comes with itz dark side, looking at cars for example, the more comfort we derive from cars always comes with an ugly side.... So the question is, can we live without technology?