Do something you're very passionate about, and don't try to chase what is kind of the hot. Passion of the day, seen in that light, it really was a difficult choice, but ultimately, I decided I had to give it a shot. I didn't think I'd regret trying and failing.

As entrepreneurs, we don't focus on products; we focus on problems. We've got to figure out what we're really good at and invest in that aggressively.