I think it's the code library. You import stuff and use it right away, without needing to know 99% of the internal details. That has empowered us to do amazing

I think it's the code library. You import stuff and use it right away, without needing to know 99% of the internal details. That has empowered us to do amazing things quickly. But having to deal with 100,000 libraries has become its own problem.