This article introduces the services and development of the Internet of Things,and analyzes the driving forces and obstacles behind such development. Looking at application types and the different development stages of the Internet of Things,this article categorizes its services into four types:identity related services,information aggregation services,collaborative-aware services,and ubiquitous services. For the first two types of services,applications and system framework are discussed; for the last two types,development trends are discussed. Services provided by the Internet of Things will gradually be integrated into human life and society; with the development of the Internet of Things,applications will evolve from relatively simple identity-related and information aggregation-related applications,to collaboratively-aware,and finally ubiquitous applications. It will then be possible for the Internet of Things to be fully integrated with Internet and telecommunications networks.
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