Why now, why is this the perfect time for this particular idea, and to start this particular company?

You can create value with breakthrough innovation, incremental refinement, or complex coordination. Great companies often do two of these. The very best companies do all three.

Another way of looking at this, is that the best companies are almost always mission oriented.

... how much time you should be spending on hiring? The answer is 0 or 25 percent.

More important than starting any startup, is getting to know a lot of potential co-founders.

One of the keys to focus, and why I said cofounders that aren't friends really struggle, is that you can't be focused without good communication.

You want an idea that turns into a monopoly. But you can't get a monopoly, in a big market right away; too much competition for that.