Photo: New Net circles define society's tastes Summary: Harry Knowles' "Ain't It Cool News" site is a hit, with rumors, reviews and industry gossip. By Bill Detwiler | July 19, 2006 -- 11:48 GMT (04:48 PDT) Follow @billdetwiler Harry Knowles Film fanatic Harry Knowles works on his "Ain't It Cool News" site of rumors, reviews and industry gossip. Topic: Tech Industry Kick off your day with ZDNet's daily email newsletter. It's the freshest tech news and opinion, served hot. Get it.