OK, now I'm only going to explain this once: You start with Tim Berners Lee and the W3C and you wind up with PornoTube, LaLa, ytmnd and that "Numa Numa" guy. And it's all done with computers, coffee, business plans and Douglas Coupland novels. Don't understand it? Well why do you think they call it "code," dumbass? (Click image to see full-size... built with Gliffy).
(Saturday A.M. UPDATE: While the popularity of this diagram has faded in the English-speaking world since yesterday's Reddit/Digg/Netvibes frenzy, this morning it's popular in the Spanish-speaking world. Here's how it's described at Meneame: "Un interesante mapa de como funciona internet." And look, if that winds up being Portugese, don't give me a hard time, por favor.)