Interesting, but bullshit as titled and described. Regional happiness may or may not correlate to usage of these "happy words" or "unhappy words", especially a

Interesting, but bullshit as titled and described. Regional happiness may or may not correlate to usage of these "happy words" or "unhappy words", especially across local cultures, circumstances (e.g. before or after Obama's election, different regions will respond differently), technology/twitter adoption, etc.