OneNote (and Windows 10, and Skype for Business, and ...) inside; also see The Untold Story of Microsoft's Surface Hub (Fast Company)
"Microsoft's Surface range of touchscreen computers is getting a whole lot bigger. Literally. The Surface Hub is an all-in-one system built for bringing OneNote, Skype for Business, Office, and Universal Windows Apps into the conference room, making it a single integrated device for workplace communication and collaboration.Microsoft takes on the conference room with Surface’s 84-inch, $20,000 sibling | Ars Technica
Surface Hub was first shown off in January, though rather overshadowed by the simultaneous reveal of Microsoft's HoloLens augmented reality headset. It's nonetheless an impressive piece of hardware—or rather, two different impressive pieces of hardware—in its own right. Surface Hubs are giant touchscreen PCs designed to go into conference rooms and other collaborative workspaces. They're built around using OneNote for digital whiteboarding and include dual 1080p cameras for video conferencing using the built-in Skype for Business (formerly Lync)."