Detects the signs of a phone scam in real time and warns the person while the call is still happening. It targets a problem specific to Japan, and the judges credited the choice of where to put the LFM and the care taken over the user experience.
The track it won in suggests it was assessed as a business case more than as a novelty. Phone scams are a problem in Japan whose severity needs no explanation, and choosing the moment of the call itself as the point of intervention means the case for a small on-device model falls out of the problem itself. The judges credited where the LFM was placed and the care taken over the experience — the gap between a demo and something people would use.
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