With Japan's population getting ever older, inventions like tea serving, dish-washing robots and voice-processing cellphones are becoming a reality. Since we already covered the robots, let's focus on NTT DoCoMo's Raku-Raku phone. This senior friendly device offers a "slow voice" function, which slows down words for easier comprehension, and a "clear voice" function, which is essentially a noise processing solution to drown out surrounding sound.
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