Steve Ballmer

If you look at companies with upside potential, Twitter's right there. They've established a brand in a world where it's extremely difficult to establish a brand. It's a global brand, people recognize it, people want to let you know what their Twitter handles are, etc.

I'm a complete globalist. I think like a global CEO. But I'm an American. I run an American company. But in order for GE to be successful in the coming years, I've gotta sell my products in every corner of the world.

Between 1939 and 1945 you produced weapons and war equipment valued at thirteen billion dollars, 70 per cent of which you shipped to your allies. The same process is going on today in Canada's much larger and growing industry.