The world was abuzz about Google.com going black around the world at 8pm local time. It happened a bit earlier at Google Israel, and then Saturday night it went black again:

Why? For Earth Hour.

Ironically, for me to take that screen capture, I had to have my lights on to power my computer. In any event, we have lots of forum reaction to Google going dark.

Forum discussion at Search Engine Roundtable Forums, WebmasterWorld, DigitalPoint Forums, and Cre8asite Forums.