Even more fundamentally there are people who at Amazon, Google, and Microsoft who are - creating their own languages that are used by millions - writing and o

Even more fundamentally there are people who at Amazon, Google, and Microsoft who are - creating their own languages that are used by millions - writing and optimizing databases used by millions - writing a custom micro VM (the open source Firecracker project that is the basis of Lambda) No matter how good you get at any of these areas, unless you focus on one, you will never be as good as someone who eats, drinks, and breathes those things everyday and have to make sure they scale to millions of transactions Sure, I can optimize a database for a small to medium size company. But when I reached the limit of my knowledge and skills, it’s nice to be able to reach out to the team that makes sure that the databases underlying Amazon retail are running smoothly.