Business leaders, technical evangelists, culture whisperers, founders, doctors and best-selling authors... while their roles and responsibilities may vary, the one thing this year's Microsoft Summit speakers have in common is their ability to provide food for thought. But don't just take our word for it — take theirs. We've collected three takeaways to ascend your professional career and company culture to the top of the (Microsoft) Summit. Read them, absorb them, tweet them and share them with your friends and colleagues.