Google Yahoo! and Microsoft get together to squash duplicate content “canonical tags”
Google has recently announced canonical tags. Now this is great because it allows everyone to fix the duplicate content issue. For instance you site has identical or very similar content that can be accessed through multiple URLs, this tag provides you with more control with the URL that comes up in the search results.
Check out this quick video of Matt Cutts from Google speaking with webpronews.com



that’s great, that will help out a whole bunch. The link to the video was nice as well