What’s smart city？
IBM：1. Smarter cities use the system of systems to their advantage when supporting the needs of each citizen through social programs, healthcare and education. 2. 智慧城市是由規劃管理、基礎建設和市民滿意，串聯成一個相互聯繫的生態圈，未來將推動經濟的可持續增長，成為一個更聰明的城市。
Hitachi：A city in harmony with the natural environment of the Earth in which people lead lives that are comfortable, safe, and convenient ――. In Hitachi’s vision, a smart city is one that establishes a “well-balanced relationship between people and the Earth.”
NEC：要跨時代地持續確保城市的生活品質、實現關懷人與地球的資訊社會，就必須靈活解決以上每個階段所發生的問題，城市持續的進化是不可或缺的。因此，一個能夠因應居住生活改變的機制是至關重要的。NEC的目標，就是提供能夠應對城市變化的機制。不是追求「構築當前流行的都市設計」，而是一個透過感測與分析各種元素，了解城市的現狀與變化進而預測未來，能夠去提前做好對策的機制。
Siemens：A smart city looks for ways to optimize its infrastructure. Through intelligent infrastructure solutions – such as smart grids, building automation, security solutions and traffic control systems – Siemens can help cities to reap the full potential of urban infrastructure.
Philips：Switch on to the latest thinking in city lighting.
Potevio （普天）：在普天智慧城市体系中涵盖智慧能源、智能交通、智能专网、智能安防、智慧医疗、智慧旅游、智慧环保、智慧水务、智慧政务等诸多领域，形成全面覆盖的智慧网络，全方位打造信息化、智能化、管理高效、生态节能的可持续发展现代化新城市。
Based on the concepts, a conclusion of a smart city is a genuine, friendly, and beautiful ecosystem with renewable and sustainable environment for human and living creature. Due to the development of the IT technology such as wireless communication and ICT, a smart city could enhance by smart life. How about your comments?
