Wikipedia at 25: Collective Knowledge and Its Fault Lines
Just as human history is often divided into the eras B.C. and A.D., it's not unreasonable to imagine the Internet's story split between B.W. and A.W. — the "W" denoting Wikipedia. When Wikipedia went online on 15 January 2001, it was the brainchild of two men: Jimmy Wales, an internet entrepreneur with a libertarian streak