Energy consumption trainers
Watt Watchers is a network of collars for light bulbs that collectively dim to encourage better consumption habits. Using lights as a proxy for household energy use, the system reminds users when they are consuming above average power by mimicking a brownout.
People are aware of the need to reduce their energy use, but a wealth of consumption data does not effect a change. And devices that automatically shut off without the user having to make a decision address the symptom, not the problem. How can a user be made conscious of his consumption habits in order to change his overall behavior more effectively?