LaunchRock sets up site launch placeholders

LaunchRock wins the award for best recursive demo site. (Credit:Screenshot by Rafe Needleman/CNET) MOUNTAIN VIEW, Calif.–Thirty-one early stage entrepreneurs pitched 31 start-ups today at the 500 Startups event. (See news of previous 500 Startups launches.) The company I was most interested to see pitch: LaunchRock. It’s a service that enables small companies to quickly put …