Sustainable toothbrush where one can continually replace the head of the toothbrush as and when the bristles wear out. Saves plastic and $$.
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Use gamer motivation: Create diverse ways for healthy real life activities (social, exercise, etc.) to also give their characters exp points
Some people write diagonally. A notebook for them could be fun.
Have cities give abandoned and unused property to artists as workspace under the condition they create something visually striking with it.
A special check-in on Foursquare for each time we see a homeless person on the street. This way it is easier to take action.
Install a hole punch in the rings of a binder. You insert a sheet and punch holes in it simultaneously.
No Brasil algumas vezes PARE=acelera.Um pequeno truque de perspectiva pode aumentar a atençao a sinalizaçao de parada obrigatoria .
