The hardest part of starting a startup is fixing mistakes fast and adapting.You’re going to make mistakes. But you have to learn from them and adapt quickly. My cofounders and I have made our share of mistakes, but if we were to hold onto every mistake we would have never moved forward. It’s easy to wallow in mistakes and place blame instead of learning from them.Q: Is there anything you wish you’d known when you’d first started PlanGrid?