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Here's a slightly ridiculous example of design that changes behaviour for anyone looking for stocking-fillers.

Here's a slightly ridiculous example of design that changes behaviour for anyone looking for stocking-fillers.

The Tooth Tunes toothbrush made by Hasbro plays one of eleven tunes (from "If You're Happy & You Know it Brush Your Teeth" to Queen's "We Will Rock You") for a strict two minutes. As you brush, your teeth pick up the vibrations via the bristles, making the music seem like it's inside your head. Brushing firmly makes the music louder. As the manufacturer says:

"Your kids will love brushing their teeth to hit songs from some of their favourite artists. As sound vibrations stream from the bristles through their teeth, they hear the music in their heads. But, when they take the bristles off their teeth, the music stops playing in their head. So they'll actually want to keep brushing for a full two minutes!" [1]

Approved by the British Dental Health Foundation, Tooth Tunes aims to encourage people to brush their teeth for two minutes rather than the more common 45 seconds [2].

To bring it down to the mechanistic level of persusive technology, Tooth Tunes uses operant conditioning to encourage kids to brush their teeth correctly; the reward of the music is only given when they're brushing correctly.

Would you buy this for your kids?

[1, 2] http://www.hasbro.com/toothtunes/en_GB/default.cfm?page=parents

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