What is the Deep Web?

When you use most search engines, you're just scraping the surface of the World Wide Web. There's much more.
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Academic journals

Tor network

Illegal porn

Political dissidents


Stolen credit cards

To produce results, major search engines scour the Web. They follow links to index sites.
That's like dragging a net across the surface of the ocean.


These nets capture less than 1% of Web content. They totally miss the data behemoths.


Ask a database a question, and it generates a unique page.
These don't get surfaced to the indexable Web.


Also hidden are standalone pages and documents behind private networks, like academic journal articles.


The most hidden section of the Web is Tor. You can only get inside with special software that makes your location anonymous.


Hover over each yellow dot for more information.

By: Jose Pagliery & Tal Yellin / CNNMoney
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