Although the methods are still secret, some of the results are leaking out. In August, Fox News reported that part of the reason Mitt Romney's fund raising was outstripping that of Barack Obama was due to Romney's ability to extract donations from even heavily Democratic areas.
A follow-up story in the Associated Press gave credit to a data-mining campaign by consumer-marketing company Buxton Co. of Fort Worth, Texas, which was founded and is led by Tom Buxton, a former Romney colleague from Bain Capital. There is some question about whether Buxton was paid for its work and whether its contribution was legal.
Its methods, as reported by AP, aren't that unusual: "The project relies upon a sophisticated analysis by powerful computers of thousands of commercially available, expensive databases that are lawfully bought and sold behind the scenes by corporations, including details about credit accounts, families and children, voter registrations, charitable contributions, property tax records, and survey responses. It combines marketing data with what is known in this specialized industry as psychographic data analysis, which tries to ferret out Americans' consumer behavior and habits.
An early test analyzed details of more than 2 million households near San Francisco and elsewhere on the West Coast and identified thousands of people who would be comfortably able and inclined to give Romney at least $2,500 or more," according to the AP story written by Jack Gillum.
The Harvard Business Review followed up with an article of its own based not on the impression that the data-mining was an innovation, but that it might have the potential to smoke out the "silent majority" of voters who might feel strongly about one candidate but don't speak out due to peer pressure or natural reticence.
The big data era might allow marketers and political campaigns to gain insight into people's opinions by filtering huge lists according to church attendance or purchasing history, but the biggest impact so far has been in the hunt for donations, according to HBR blogger Julia Kirby.
Campaigns are at least as active at trying to gather voter opinions and broadcast campaign messages through social networks, but the level of uncertainty inherent in data from those sources makes any decisions based on them a little dicey, Keeter said.
The algorithms used to analyze Twitter content have to be trained to recognize negative comments from positive, let alone everything in between, making accurate analysis of millions of Tweets difficult and, potentially, inaccurate, he said.
Big corporations that have led the way in using big-data analytics have also used Twitter to monitor changes in their reputations, but that level of analysis is comparatively simple. Like and hate are fairly easy sentiments to extract; nuances of opinion on budget decisions, security, defense, immigration and the economy are much more difficult, especially when you try to control for the imbalance of opinion on the Internet.
Tweets can come only from a technological elite able to use the Internet regularly, and from those who feel strongly enough about a topic to volunteer their opinion online to strangers, Keeter said. Tweet feeds can be valuable, but they can also be misleading for that reason.
"If you relied only on [social-network opinion-gathering] tools to tell you how the Republican nominating campaign was going a couple of weeks ago, you'd have to think Ron Paul was on his way to victory," Keeter said. "It's not that he has overwhelming support. But he has [numbers of] supporters on these platforms [that are] way out of proportion to the numbers that actually supported him in the elections."
Finding untapped pools of money for campaign donations requires only analysis of comparatively hard facts--age, income, party affiliation, church attendance--most of which came from retail transactions or direct answers to surveys or customer questionnaires, Keeter said. That data is usually much more trustworthy and easy to work with than the unstructured data from social networks.
Except for the Bush campaign's success with conservative African Americans, so far, that seems to be as far as most political campaigns are interested in taking big data or the conclusions it might be able to draw.
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