Ever wonder what the // in web addresses is there for? So does the man who put the forwardslashes there in the first place. "Really, if you think about it, it doesn’t need the //," Tim Berners-Lee told a New York Times reporter at a tech conference last week. "I could have designed it not to have the //," he said, adding that when he was creating the network that evolved into today's Internet, he had no idea how much impact his choices would have on so many people.