What changes have occurred for newspapers in the classified ads department?

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New entrepreneurial firms have developed online classified ads for jobs, automobiles, and real estate, whereas other startups have concentrated on specialized areas such as computers, cameras, and other hobbyist topics. These new firms did not change online content; they greatly expanded the reach and depth of the content and made it available to national and international audiences. These new ventures challenged the newspaper industry; others such as Craigslist, Autobytel, Monster, and CNET have drained some of their readerships and put a dent in local newspaper classified revenues.

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