Cheddar talks to Engadget's UK Bureau Chief, Mat Smith, about LG Display's $7 billion investment in OLED panels for smartphones. We talk LG's leadership in the space when it comes to television and what this leap into the OLED cell phone market means for competitors like Samsung and Apple. We also discuss the tech titans feuding over the future - Elon Musk and Mark Zuckerberg face-off on A.I.