Sandeep Chennakeshu, a tech executive and author who served as the former Chief Technology Officer of Ericsson Mobile Phones and Sony Ericsson, as well as former President of BlackBerry, talks about leading the team that invented Bluetooth, creating the modern smartphone all the way back in 2002, and what he considers his two greatest inventions (he has over 180 patents), as well as the importance of being sticky, why 2/3rds of companies fail, dreaming with conviction, getting medieval on business, and why teaching is his legacy.