My final word in this thread is that Twitter is a transparent website where personal data is accessible. Commissioning an academic study of Twitter data points is not remotely comparable to NSA screening phone calls and tapping into people's private information or 1984 or fascism. Every day our data on Facebook and Twitter is mined for corporations and you expect me to be concerned by an academic study on civic involvement? Clearly, I should privilege the revenue stream of Twitter and the corporate earnings of Walmart over the insights of academia!
Hell may have frozen over, but I agree with you DFB. If this were a marketing department of a media corporation funding the study no one would bat an eye despite the fact that it would make no difference at all in how it's carried out.