Cyberspace has emerged as an unprecedented digital space in addition to conventional spaces, and further brought about a new global environment known as cyberworld. We are undergoing the revolutionary process of cyberization to form the novel cyberworld and reform existing physical, social and mental worlds through cyber technologies including all computing, networking and information processing. Can we successfully adapt to these new worlds to truly benefit from these cyber technologies and live better in the complex and unknown cyber and cyber-integrated world environments? It appears that human abilities in perception, communication, management, control and cognition will not be sufficient to directly handle so many cyber things and cyber-conjugated physical, social and mental things. This article proposes a novel way to create a group of digital smart buddies that may help an individual's activities in the cyber-enabled new worlds. These smart buddies are expressed as a general notation x-I including Cyber-I, Wear-I, Robo-I, Ambi-I, Web-I, Social-I and Health-I. The main features and functions of these smart buddies are explained, and their future perspectives are discussed.
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