Why new is better than old

A couple of times every year I see a new version of the classic article with someone complaining that it´s annoying that we have a preference for new. But I don´t think it is very strange – actually I think we´re hardcoded for new instead of old. To give us a better chance to survive:

(I have tested the video camera in the N95 a couple of times – and unfortunately I cant do the upload better tahn this – but in real life there is a much better picture than it seems Google Videos compression can handle).