Stripe's Will Gaybrick: "Build everything" Against an industry that sees agents as a way to cut costs, Stripe is using them to build more: agents wrote 30% of code in a week, global tax filing shipped in 1/3 the time the US version took, and after AI made sellers 20% more productive, Stripe hired even more sellers. President of Technology & Business @gaybrick sits down with a16z's David George to cover why there's no one left for Stripe to copy, why checkout pages will disappear, how agents…