At the time, this vision required major technology improvements. After all, how would we connect
everything on the planet? What type of wireless communications could be built into devices? What
changes would need to be made to the existing Internet infrastructure to support billions of new devices
communicating? What would power these devices? What must be developed to make the solutions cost
effective? There were more questions than answers to the IoT concepts in 1999.
Today, many of these obstacles have been solved. The size and cost of wireless radios