Sometimes, it is used to refer to the wireless, continuous communication and exchange of data and information between and among retailers, customers, and systems (e.g., applications) regardless of location, devices used, or time of day.
Sometimes, U-Commerce is taken as the generic term for all business transactions through or by means of information and communications technology (ICT).
According to Richard T. Watson, U-Commerce includes four major features:[2][3] U-Commerce is described as the evolution of E-Commerce and M-Commerce also combining the areas of V-commerce, Television-Commerce (T-commerce) as well as Silent-Commerce (S-Commerce).
These technologies were driving forces for the evolution to business transactions at any time and in any place and so they will be in the future: In addition, there are also technologies regarding the concept of Ubiquitous Computing which are and will be the main driving forces for the Ubiquitous Commerce.
These are mainly the following: In conjunction of the evolution of ubiquitous commerce in daily life and the approaching pervasiveness, a few opportunities as well as threats can be identified.