The term Deep Net (also called the Invisible Web and the Dark Internet) refers to the hidden web content material not indexed by regular search engines. Some estimates are that the Deep Net is 500 occasions larger than the surface Web (the visible Net). Think of the surface net as the surface of the ocean-miles and miles of surface out there, as far as the eye can see. But when you cast a net, it goes under the surface and captures points unseen to the eye.

Why is the Deep Web invisible? Due to the fact its hard-to-obtain net web-sites and search engines:

May well have inadequate hyperlinks to their content material

Call for customers to register

Have spotty indexes to their content material.
For much more info on the Deep Net, verify out the following websites:

deepwebresearch.info: monitors Invisible Internet analysis resources and web-sites on the World-wide-web

brightplanet.com: collects recognized, unknown, and hidden content from formerly inaccessible net sources

completeplanet.com: a directory of more than 70,000 searchable databases, organized by content and topic categories.
The following are examples of Invisible Net people search databases:

411×411.com: Directory assistance and people today search databases.

123people.com: Extensive search engine that also pulls from Deep Net sources as well. It also gives international searches.

pipl.com: A different comprehensive search engine that pulls from Deep Internet sources. Hidden wiki link can search by telephone number, e-mail address, even business names.

cvgadget.com: This has a easy interface-just plug in a name. The final results are categorized by a variety of Google search engine utilities (news, images, documents, etc.). Other categories are listed by many social networking web-sites, blogs, enterprise networking sites, and so forth.
How can you dive into the Deep Net? Straightforward. Add the words “search” or “database” (with out the quotes) to your queries to bring those hidden databases and directories to the surface.