How to choose a smart thermostat?

So there are literally dozens of smart thermostats out on the market so how do you choose? We are impartial to the Generation 3 Nest Thermostat with the new smart temperature sensor, but some of you like to analyze every option there is out there. Luckily for you overachievers there is a tool that breaks down the pros and cons of each smart thermostat out on the market today at

Nest Generation 3 Thermostat

With smart thermostat temperature sensor