On a similar note, one must wonder to what extent those who tweet are even local. For Napa, CA, which is mentioned in a comment, that would probably not be the

On a similar note, one must wonder to what extent those who tweet are even local. For Napa, CA, which is mentioned in a comment, that would probably not be the case. Another example is Nevada, which, according to their map, must be something like the second happiest state in the union. I live in Nevada, and I am indeed very happy, but that's because I live in Tahoe, a rather atypical corner of the state. For Nevada as a whole, I am sure the result is due to things like tourists in Vegas going ga-ga over all Das Blinkenlighten, or gamblers tweeting when they win but not when they lose, the latter being the default.