"Twitterology" in the New York Times

Ben Zimmer (of Language Log) writes in the New York Times on "Twitterology - A New Science?".

• Some of the possible uses of Twitter data: Linguistics, Sociology, Psychology...
• Advantages of Twitter mining: naturally-occurring data
• Recent work: "on the ground sentiment over the course of the Arab Spring"
• Criticisms of sentiment analysis: can moods be extracted from word selection?