The San Jose Mercury News is not a world-class paper. The article has been around for at least four days and maybe more.
May Wong wrote it, and the first line is "White-collar copycats may be less inclined to pilfer"...slap that into your favorite search engine and you will come up with about 416.
The story covers the expansion of plagairism detection technology from high schools and colleges to businesses such as newspapers, magazines, law firms and other writing-heavy fields.
The Washington Post had an excellent article on turnitin.com and plagiarism issues in November 2003:
"If a student is caught cheating, there is this unambiguous evidence," said John Barrie, the founder of Oakland, Calif.-based Turnitin.com. "Instead of asking a student how they came to write a paper so patently beyond their intellectual ability, I could ask, 'Can you explain why 87 percent of this paper is underlined by this program?' "
iParadigms is the parent company of Turnitin.com. The product for businesses is called iThenticate
Turnitin has a lot of interlinked features for catching plagiarism and grading papers, but there is another interesting feature over at CFL software development (at least in respect to young writers' work).