It was weird. I had set up the blog for while I was away with every post I would usually publish. During my absence, I still managed to visit the blogs I would usually read and answered all the comments. In fact, there was absolutely nothing to show I was not at home and at my desk. Even so, the number of page views halved. That happens every so often for no apparent reason and it is not worth even thinking about. This time, though, the stats had been that way for exactly the duration of my absence. I can understand the change when it is obvious that I am away, when posts and responses might be erratic, but on this occasion, there was nothing at all to even hint that I might not be at home.

“So, in effect,” said my friend as I pondered the enigma, “the only…