Host Kym McNicholas and Bill Tai, co-founder of the world's largest startup competition, the Extreme Tech Challenge, shares the quarter finalists vying for a shot at pitching on stage at the world's largest consumer electronics show in Las Vegas this January, CES. The startups, which are each at a key inflection point, poised and ready to scale, will compete there for the chance of a lifetime: To pitch Sir Richard Branson and an esteemed panel of judges on his private island, Necker. Hear some of the most innovative startups representing some of the biggest trends in technology from around the world, including the next electric sports car, the world's smartest stethoscope, a big breakthrough in beer brewing, and cancer screening with your mobile phone. For more on these companies, go to http://extremetechchallenge.com/top25/ .