The document discusses Surface Computing and Microsoft Surface Hub. Surface Computing allows natural interaction with digital content through touch gestures rather than mouse/keyboard. The Microsoft Surface Hub is an interactive whiteboard that runs Windows 10, comes in 55" or 84" 4K displays, and is aimed at businesses for collaboration. Key features include the OneNote whiteboard, ability to share work, natural ink experience, and connectivity options. It uses technologies like pen computing, touch, Windows 10, and Cortana. Applications include business, education, medicine, and current customers include AT&T and T-Mobile. Benefits are easy sharing and engagement, while drawbacks include the high cost and limited portability.