Meanwhile, Darpa unveiled on  60 Minutes recently that the agency is developing a new search engine (Memex) that aims to make it easier for law enforcement and government to track illegal activity on the Deep Web. So what exactly is the Deep Web?

Like an iceberg, the vast majority of the Internet is obscured from easy view. This unindexed section of the Internet is dubbed "the Deep Web." Experts agreethat it is impossible to accurately gauge the exact size and scope of the Deep Web, but some dare to put the figure at hundreds of times the size of the visible or "surface" Internet.  While most of this content is innocuous, more and more criminal activity is moving away from the light of day and into to the shadowy corners.