Your family photos never come out quite right. Even though you may be sporting a mega-watt grin, an uncle in the corner always manages to sneeze at exactly the wrong moment. Out of sixty-odd shots, you've got to spend hours looking for that ever-elusive perfect image – and most of the time, you never find it at all.

Wouldn't it be nice if your camera could figure out the ideal moment to take a photo? Well, if you've got a camera from Sony's brand-new "Cyber-shot T" series, it can. These high-tech cameras come equipped with a smile-detection sensor, so it will snap the shot as soon as everyone's got their best face on. Unfortunately, the camera is only being sold in Japan for now – but if you're sick of all the scowling faces in your scrapbooks, then it might just be worth the flight.

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