SIGN OF THE TIMES “It is so much harder to come up with fresh material these days,” complains Martin Sargent, the 32-year-old host of “Internet Superstar.” “A few years ago, I was the only one calling these guys, and they were only too happy to come on the show. But now, with someone like Chris Crocker” — who became a Web megastar for sobbing out an appeal on YouTube to leave Britney Spears alone — “I couldn’t even get through to him. He was too busy going on Howard Stern.” [WSJ]