The elderly of Japan may like that concept as well, as Japanese carrier NTT DoCoMo is about to roll out the "Raku-Raku" handset that personifies that functional but useful line for customers that just want to make calls. For the elderly, that's usually the only goal with a cellphone. An extra monthly revenue stream for NTT DoCoMo is not bad either from a business perspective. What is killer about the Raku-Raku is the "Slow Voice" feature. It actually slows down spoken words coming into the handset itself for those that prefer a more laid-back conversation instead of a caffeine-fueled one. Other features include noise compensation that raises or lowers mic sensitivity and incoming audio based on ambient noise and voice reading of SMS and email messages.

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