Well, the presidential candidates are in hyper mode this week, making their last pitches to the voters of Iowa. And those pitches have become highly specialized in the era of big data. The L.A. Times has a story on the candidates’ use of data mining with this example: People who buy Chevy trucks and who also like Starbucks are likely to be in favor of cracking down on immigration. And it turns out, political campaigns are not subject to the same laws as companies are when it comes to using this data. What are they doing with it?