A much better idea would be to install 3 or 4 additional Black Boxes with radio beacons which would be programmed to eject themselves if the plane went into a fast non-recoverable dive. They could be filled with expanding styrofoam or similar, guaranteed to float if they land in water, and tough enough to withstand impact on land. By recovering the ones that ejected first, and tracing the line, the final position of the aircraft would be known,.

Our Nespresso shops already do most of this. You walk in, grab a paper bag, then place all the covfefe sleeves you want into the bag. Then you put the bag in a scanner bin which reads the RFID info on each sleeve and tells you how much you will pay. Then you swipe or tap your smartcard, get a receipt printed out and walk out. Obviously, the next step is to have your phone recognised as you walk in, and an app automatically activates which informs you how much your're buying. Once you walk out of the store, your purchase is registered and your account is debited. The receipt appears as an SMS. You might probably have to scan each sleeve to make sure you're buying your own items and not the person near you.

Sex Offender recognition? Great idea - lets install these in our Catholic Schools and see which teachers decide to call in sick.

The People's Spacecraft: "Mission Control, we are now coming up to re-entry interface, on my mark. . . ." Mission Control: "Ahh, cancel that Spacecraft, and let's do a one orbit go-around - we need to refresh our desktop wallpaper here. Call back in 90 minutes please..."