TechCrunch wants to ensure a strong line-up in Startup Alley for certain categories that have investors riled up, so we’re offering three, free exhibit and demo spots in each of 10 hot categories. TechCrunch editorial will pick the top startups from the pool of applicants. The lucky companies will exhibit for one day at no charge, plus get two tickets to all three days of Disrupt. Read More on Tech Crunch