The document discusses the Sixth Sense technology, which allows users to interact with digital information by using natural hand gestures. It describes the components of the Sixth Sense device including a camera, projector, colored markers, and mobile phone. Several applications are demonstrated including using maps, taking photos, making calls, and accessing information about products, books, and people. Potential future technologies building on Sixth Sense are also outlined such as mouseless computing, viewing different content on the same display, and combining digital and physical design tools.