A lot of people are affraid of anything unknown they come across.
It is important to know no fear.
Buuuut, on the subject of computers taking over the world:
K-i-c-k-a-s-s. I am allready learning programming so that I understand how to write programs and exploit them just in case people start taking over the world by controlling the media. I can't wait to wage a digital revolution from my deskchair.
But I'll keep a shotgun near me just in case any terminators decide to show up. Or zombies. Or lustful teenagers. In which case I'll be packing a double barreled shotgun because there ain't no stopping those.