harley finkelstein, the president of shopify, welcome. aged 17, selling t—shirts. as an entrepreneur, how much of what you learned back then is still valuable now? quite a bit of it. i think one thing that most people don't appreciate about entrepreneurship is that although for many people it is a career, a way for them to support themselves or make money, it's actually a really great way just to solve problems. i think one of the things that is happening is there's a bit of this entrepreneurship renaissance, where more than ever before people are looking at the things that they care about and they love and they're trying to find away to make a career out of those things. and i think it's easier today than ever before. but the same skill set that i had when i was 17, trying to sell t—shirts to colleges and universities, that's the same type of approach i take today when it comes to problem—solving for our company. so it's a mentality more than anything else. when you started out, you didn't have the technology that entrepreneurs have avai