On this episode of The New Screen Savers with Leo Laporte and Patrick Norton:- Do you know what Blockchain is, what it can do, and why it's all the rage? Here to help explain: Eric Cole Ph.D., former Technical Director for the C.I.A., and served on Cybersecurity Commission; and Kevin Quennesson an AI and Blockchain expert, formerly at Twitter's AI group Twitter Cortex.- Which is better, Siri or Google Assistant? In #TWiTSwitch 2018, Megan Morrone and Jason Howell put them to the test in a battle to answer questions!- Canary, a device that thwarts attackers on your network.- Megan has a review of the Apollo Personal Cloud system.- In Call for Help, are NUC's powerful enough for some heavy hitting programs like AutoCAD and Photoshop?