Mashable's Lance Ulanoff unboxes Microsoft's new Surface Book, their first laptop ever! (Which is kind of a big deal.)See more about the Surface Book here: http://on.mash.to/1LBN34HMASHABLE ON YOUTUBE Subscribe to Mashable: http://on.mash.to/subscribeMASHABLE ACROSS THE WEB Mashable.com: http://on.mash.to/1hCcRpl Facebook: http://on.mash.to/1KkCTIPTwitter: http://on.mash.to/1Udp1kzTumblr: http://on.mash.to/1NBBijYInstagram: http://on.mash.to/1U6D40zGoogle+: http://on.mash.to/1i27L5RMashable is a leading global media company that informs, inspires and entertains the digital generation.