Amazon continues to underwhelm with their lack of delivery on the potential presented by their vast store of purchase history. In some ways, this justifies the

Amazon continues to underwhelm with their lack of delivery on the potential presented by their vast store of purchase history. In some ways, this justifies their high stock price as they have this valuable asset they have yet to tap. Some day they will turn their gaze towards unlocking its potential. In the meantime, it reeks of incompetence at worst or a puzzling lack of focus at best when they keep urging me on my Kindle lock screen to buy a self-published bodice-ripper or diapers when nothing in my purchasing history could possibly suggest this as a good use of advertising effort.