CNET's Brian Cooley (far right) and Lindsey Turrentine (second from right) host a conversation with panelists (from left to right) Michael Buckwald, CEO of Leap Motion, makers of 3D gesture control technology; Matt Rogers, VP engineering at Nest, makers of the connected, intelligent thermostat; and James Park, CEO of Fitbit, known for its wearable personal activity monitor and now the Fitbit Flex.