Google now "sees" underscores in URLS as word-separators(delimiters). Previously, in a URL like http://www.mysite.com/iphone_review.html Googlebot couldn't "see" the words iphone or review. Instead it read iphone_review as one word. Now, it will see iphone and review. Google treats URLs with a query string the same as static URLs. Caveat: as long as there are no more than two or three parameters in the URL, that is! To explain in another way, you won't take a hit in your Google rankings if you have a question mark in your URL; just don't have more than two or three equals signs in the URL. So, if you've been tormented about whether you should implement URLrewriting in your site or blog, don't fret. The number of slashes in your URL (i.e. the number of directories deep your page is) isn't a factor in your Google rankings. Although it doesn't matter for Google, it is rumored to matter for Yahoo and MSN (Live Search). The file extension in ...