This is cool. Possible use cases for those who are not grasping it: * Under developed countries who do not have a national weather service begin to start track

This is cool. Possible use cases for those who are not grasping it: * Under developed countries who do not have a national weather service begin to start tracking historical temperatures. * People at risk of heat stroke could have an app on there phones that alert them when the temperature is too high. (Most phones do not have a thermometer, and the temperature reading of a room with no A/C is different than the outside temperature)