A person who helped me out a lot when I was learning to code wrote his own .NET JSON library because the MS provided one had a rough API and was quite slow. Hi

A person who helped me out a lot when I was learning to code wrote his own .NET JSON library because the MS provided one had a rough API and was quite slow. His lib became the defacto JSON lib in .NET dev and naturally, MS head-hunted him. Fast JSON is that important these days.