

The firm expects there will be 26 billion networked devices by 2020 - an increase from 0.9 billion in 2009. Digital securityīy the end of 2017, Gartner predicts that more than 20% of businesses will have digital security services based on, and influenced by, the Internet of Things technology. Chris Harrison of Carnegie Mellon envisions a device the size of a small stack of coins with the functionality of an iPhone. The developers of skinput at Carnegie Mellon University and Microsoft produced a pico projector armband that displays the interface on a user's hand or forearm. The developing technology is related to wearable tech and similar interfaces that use the human body as a component of the whole system. From the beginning, input/output has been essential to computer operation. Skinput is a 21st century approach to the classic computing notion of input. "Interactive capabilities can be linked to different locations on the body." The software can process differences based on bone density, size, and effects produced by soft tissues and joints.

As Gartner defines it, "Skinput provides a new input technique based on bioacoustic sensing technology that allows the skin to be used as a finger input surface." Tapping your skin in various places creates distinct acoustic signals, which sensing devices can pick up.
