It suffered from short-circuits, faulty radio and power systems, an unreliable tape-recorder, a stickycamera platform, and the loss of much of the gas that supplied its stabilising thrusters a problem overcome by repositioning its solar panels and main antenna so that they acted as solar sails, stabilising the probe via the gentle pressure of sunlight.
This person said Apple has experimented with the ability to leave virtual sticky notes on the device and for the gadget to automatically recognize individuals via a built-in camera.