Santiago says that the only connection she has to the author is that she started following them on social media after reading their first book. As far as she's concerned, that's the only relationship that she has with the question (although we only have that evidence to go on). The easy conclusion to reach, then, is that Amazon is somehow data-mining everybody's Facebook and Twitter accounts to better understand its customers. Although how it's able to do that to such an extent that it's capable of swooping down on a single relationship, we'll never know. It's also unclear if eBook authors and reviewers are being monitored more closely than anyone else.

Unfortunately for us, the naturally-secretive company isn't likely to divulge how it made that connection any time soon. That hasn't stopped us from emailing in the hope of getting some sort of response, but we're 99 percent sure that all of our questions will be met with a firm "no comment."

Update: We've received a response from Amazon that states: