This Former Google Engineer Reveals the One Thing to Focus On When Building a Product — and It's Not 'Perfect Code' What matters is solving real problems for customers, says Dhanji Prasanna, CTO of fintech company Block and ex-Google engineer. Previous Article Why Do You Want to Live Somebody Else's Life? 5 Ways to Build the Life You Really Want Next Article Siblings' Tasty Side Hustle Became an 'Extremely Rewarding' Business Expecting $500,000 Revenue