Yeah, in an article, I mentioned this as one of the coincidences that made Google fabulously successful. Have a look,

http://shuzak.com/Personal/Article.php?Article-Title=Coincidences-that-made-Google-successful

"It was noted that the submit button was a long time coming and hitting the RETURN key was the only way to burst Google into life."

I was skeptical when I read this, but I tried it and sure enough, if you make a form without a submit button, hitting return submits the form. I didn't know this. Neat! or, something.

Don't believe everything you read.

http://web.archive.org/web/19981111183552/http://google.stanford.edu/