This week, I wrote in my Thursday photo post that I had noticed a real link between Libby spending a small amount of time in front of a computer and a deterioration in her behaviour.  I want to put a couple of things in context. Firstly, I’m not judging or criticising anyone for letting their children watch television or use iPads or other technology. After all, I’m only writing this because I totally understand the need to use a screen to entertain children sometimes, because I did just that this week.  The second thing I want to make clear is that Libby…