Communications of the ACM, vol. 54, no. 10 (pp. 121-128). 2011
JCR 2011 impact factor: 1.919
doi:10.1145/2001269.2001297 | Author's version by permission of the ACM
Don't turn social media into another 'Literary Digest' poll
The power to predict outcomes based on Twitter data is greatly exaggerated, especially for political elections.
I delivered a speech at Yahoo! Research Barcelona based on this paper. These are the companion slides for that talk: