Viktor Mayer-Schönberger, whose interview on Spark was the subject of a somewhat testy post on Contrarian yesterday, has returned fire. I saw your blog entry on my interview with CBC and my book "Delete". From your entry it is obvious that you have not read the book. [True.] That's perfectly fine - except that you then move to render a flawed judgment on the book. To start with, the example that I used in the interview is not about photographic memory, but about a biological condition of a very small number of people who cannot forget - or at least remember a...