Please don't say "pick whatever you like". I like physics, I love it, and I want to do physics all my life, however my only concern is my job security after I graduate. I need guidance as to what areas of physics are in demand(and will continue to be in demand after I graduate in 5 years). I would like to be a researcher, but again, I don't know how secure of a job that would be. I have also been looking into attending Waterloo university(I live in Ontario), how good of a school would that be? I've heard mixed opinions.