Swapping out your lightbulbs could help make your city smarter

Smart cities have been described as one of the best ways that the human race will be able to address the many issues that we’re going to be facing in the coming decades, from climate change to overpopulation, but how can you help make your city “smart”? According to Cisco’s Wim Efrin, doing something as simple as adopting a new lightbulb goes a long way in making a city smarter.