Usability at it’s best: Red switches the light on, green switches it off again. #usability #fail http://t.co/h3OdLM4c

Usability at it's best:
Red switches the light on, green switches it off again. #usability #fail http://t.co/h3OdLM4c
Usability at it's best:
Red switches the light on, green switches it off again. #usability #fail http://t.co/h3OdLM4c
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