“After years of sharing their working lives, duos sometimes develop a private language, the way twins do. They imitate each other’s clothing and habits. A sense of humor osmoses from one to the other. Apportioning credit between them becomes impossible. But partnerships of this intensity are unusual in software development.” Here’s the story of a pair of programmers whose teamwork had a massive impact on how you use the internet. James Somers in The New Yorker: The Friendship That Made Google Huge.