  Based on the fundamental constraints of natural way of interacting such as
speech, touch, contextual and environmental awareness,immersive 3D
experiences-all with a goal of a computer that can see listen, learn talk and
act. We drive a set of trends prevailing for the next generation of user
interface: Natural User Interface (NUI).New technologies are pushing the
boundaries of what is possible without touching or clicking an interface-
paving the way of interaction to information visualization and opportunities in
human towards more natural interaction than ever before. In this paper we
consider the trends in computer interaction through that must be taken into
consideration to come up-in the near future with a well-designed-NUI.
