Toilet plays music and news; smart devices worry some

The Kohler Numi toilet plays music and news through its built-in speakers, it’s heated, and it flushes with a voice command. The sleek gadget is just one among many new, ever-smarter devices – including a toothbrush that alerts you where to brush more – unveiled at the annual CES show of smart household appliances and items in Las Vegas. But not everyone is comfortable with all this connectivity in our lives. Full story

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