[youtube http://www.youtube.com/watch?v=81VCxdqEB_c&w=560&h=349]Even when you’re Kevin Rose, and have 1.2 million followers on Twitter, you’re not always guaranteed the crowd will respond to your queries. At the Future of Web Apps conference, I chatted with Kevin about how he engages with his followers. He does it a lot, but he readily admits that crowdsourcing doesn’t always work. Why? You never know what you’re going to get when you solicit the masses, He says.