The website for the The Green Book cites a number of statistics that can motive more sustainable use of personal electronics:

"Unplug your power. Ten percent of the electricity used in your home is burned by communication devices and appliances when they are turned off!" (These are sometimes referred to as "vampire devices" because they silently drain power during the night.)

Behavioral Power Management encompasses the cultural changes within a community that result in manual power management practices that drive increased energy efficiency and reduced carbon emissions.

For example, Climate Savers Computing calculated:

A video posted on Vertatique raised the issue of energy consumed by Massive Multiplayer Online Games (MMOG or MMO) like Second Life. Some of the assertions based on impact calculations may surprise you.