This image was acquired from
flickr. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
google logo brand light bulb lightbulb light idea globe world gray norebbo.com norebbocom rendering drendering illustration dillustration incandescent bulb dark black background blackandwhite text black and white illustration of two large incandescent light bulbs lying in front of Google logo and globe illustration of two large incandescent