There’s a lot of junk on the web. There is also a lot of good stuff on the web. And then there is the stuff that’s been lifted from the good and dropped amid the dross—the aggregation, the block-quotes, the straight-off copy-paste jobs.
The extent of that duplication now has a number: according to Matt Cutts, a long time Google search engineer who developed Google’s family-friendly “SafeSearch” filter and who now leads Google’s web spam team, “something like 25% or 30% of the web’s content is duplicate content.”
That’s not necessarily a bad thing. Not all of the duplication is plagiarized or hastily created traffic-seeking junk. Examples of inoffensive duplication include quotes from blogs that link back to the original blog, or the thousands of pages of technical manuals scattered across the web that are updated with small changes but remain largely the same..
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Kenneth Carnesi holds a Juris Doctor degree from New York Law School and a Professional Certificate in International Banking from Harvard Law School. Kenneth Carnesi is the Director of Operations and Government Sales at Anaptyx LLC and sits on the Boards of The Lazarus Organization, Monkeetech LLC and MG Madison Phillips, Inc. Mr. Carnesi has also founded CICG - Carnesi International Consulting Group, a company specializing in strategy consulting to small to mid-size businesses.
Kenneth Carnesi 
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