Sizing up the world's top 10 smartest cities

What makes up a "smart city"? Is it the network infrastructure that allows residents and businesses to access applications, or maybe it's a favorable political structure?

While there are many answers and theories about what makes up a smart city, it's clear that a number of the world's largest cities like London and New York City are making the investment to increase the development of automated processes and services in an effort to better serve residents.

Driven by a mix of healthcare devices, smart commercial buildings, smart homes and transportation systems, there will be an estimated 1.1 billion connected things used by smart cities in 2015, according to a recent report from research firm Gartner. FierceWirelessEurope takes a look at this trend in a new a report here.