Is there anyone in the world who thinks that Microsoft’s new Search Engine, named Bing, will seriously compete with Google?

Bing: “But It’s Not Google” - The Next Web



The word "bing" is onomatopoeic. Microsoft indicated that the name Bing "was memorable, short, easy to spell, and that would function well as a URL around the world" and reminded people of the sound made during "the moment of discovery and decision making."

Bing - Wikipedia, the free encyclopedia

しかし、誰が言い出したか知らないが、"Bing Is Not Google"とか"But It's Not Google"と言われている。
どちらかといえば、"Bing Is Not Google"説のほうがGNUGNU is Not Unix)みたいで個人的には気に入っている。