On today's episode: Caleb Denison talks with Vizio CTO about SmartCast 3.0; Samsung releases Galaxy Note Tab and teases new Galaxy Watch in front of August 7th Unpacked Event; Apple is gearing up for credit card launch in the first few weeks of August; Kazoo's employee engagement platform; serial entrepreneur and Dragon's Den host Michelle Romanow; Facebook brain interface; NASA's Mars Rover shows off some new tricks; Bill Bates backed energy company promises to vaporize trash at 4,000 degrees Fahrenheit.