As most of you remember, last year I threw the environmental gauntlet down and challenged all my readers to replace their old, energy inefficient incandescent light-bulbs with the newer CFL variant. Many of my friends and readers quickly went to work and replaced many of the bulbs in their houses, some even going as far to replace every single one. I replaced most of the ones in my apartment, and probably save on average of about 0.3kWh every day in my place alone. I actually started a Flickr group for this purpose last year to help motivate people. I was a bit surprised to go into it tonight ...