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Google PR and SERPs changes galore

Wow! Looks like there's a lot of people noticing changes in their sites' Google PageRank and in their rankings on Search Engine Results Pages (SERPs). The changes are widely being blamed either on residual results from the Jagger update from a few months back or the "upgrade" to the Google data center known as Bigdaddy.

For more insight into the discussion of all this shuffling, hit up WebmasterWorld.com. For more on Bigdaddy, check out this Q&A from Matt Cutts.