It’s not Spiderman’s latest web slinging tool but something that’s more real world. The Invisible Web (or The Deep Web) refers to the part of the Internet that’s not indexed by the search engines. Most of us think that that search powerhouses like Google and Bing are like the Great Oracle — they see everything. Unfortunately, they can’t because they aren’t divine at all; they are just web spiders who index pages by following one hyperlink after the other. And, there are some places where a spider cannot enter. Take library databases which need a password for access. Or even...
Read the full article: 10 Search Engines to Explore the Invisible Web
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