Don't like them. They're appearing more and more amongst the middle classes - scared and with a bad impression of humanity because of shock Daily Mail headlines and those incessant 'criminals and frauds caught and named and shamed on camera' shows they put on TV every day. They're activated by movement, so every time anyone goes to the door it sets off an alarm on their phone. Everyone is a potential criminal come to STAB them and steal their pension book. Also the foolish fence feuders - the neighbour baiters and the peeping Thomases have an ideal piece of equipment for their bad carrying on. Those things pick up speech 40 feet away they say. There's no chance of stopping their ever increasing march of course. I suppose they'll be universal in a few years. But every technology has its positives and also its negatives. I think these spy cameras have plenty of negatives.