Underscores are now word separators, proclaims Google. I missed this story last year—the change was announced by Matt Cutts at WordCamp 2007.
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Underscores are now word separators, proclaims Google. I missed this story last year—the change was announced by Matt Cutts at WordCamp 2007.
I would caution that other search engines may not treat them as separators. As a result, dashes are still probably the best choice.