From an outsider's perspective, FreshBooks had it all. The company had pioneered the category of cloud accounting software -- and went on to become a market leading product for self-employed professionals with millions of users worldwide. But CEO and Co-founder Mike McDerment knew trouble was brewing; he feared what the future would look like if the company continued to run on a decade old foundation of 'founder's code.' In this talk, McDerment will share hard-earned lessons from the company's unorthodox approach to replatforming its software.