Perhaps the scariest part of data mining is the not knowing: What do these data brokers have on me? How do they see me in terms of marketing prey? Where does it all come from? Is anyone judging my predilection for impulse buys of cheesy romance e-books? Which is why it’s somewhat surprising that one company, Acxiom, is pulling back the curtain to show people not only some of what it has on them, but also a general idea of where that info came from. [More]