On February 26, 2009, Google software engineer Matt Cutts collected questions on Google Moderator and answered many of them on video.
Nick from Chicago asked:
Does the new canonicalization tag make it safe to add tracking arguments to some my internal links without fear that Google will split the quality signals between the two addresses?
Is there any other information about how URL parameters interact with Googlebot? I need to know more about this.
RickettsFish 5 months ago in playlist Matt's Grab Bag