What does it mean to live in Perpetual Beta

What would you do if you were the CEO of a rapidly growing business worth $30 billion? The business operates in every country in the world except Iran, Syria, Sudan, Crimea and North Korea. Every other celebrity is among the 100 million customers who gushes about the service and that leads to more business and more growth. And yes, you are only 35 and one of the most powerful CEOs in the Silicon Valley. What is next for someone who has done it all?