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Infoaxe is coming out of stealth mode today with (yet another) alternative search engine / social bookmarking tool, focused on indexing your own browsing history rather than the entire web or what you proactively indicate is important to remember for later.
Matt Cutts confirmed it on Twitter that it was indeed a Google update. He also followed it up on his blog, "In case you didnt see where I confirmed it on Twitter, Google recently did a toolbar PageRank update. Its pretty much done now. If you want more info, Ive answered questions about PageRank...
11 hours ago | SearchNewz