webpages that are not linked to by their pages password protected site and private.   it is estimated is over 500 times the size of the visible web
parts of the www whose contents are not indexed by standard web search engines for any reason.
-gather the right data, in the right format, during the right time -standardized databases help investigators sort information &gt;&gt;open database connectivity (odbc) &gt;&gt;text import &gt;&gt;hosting a data warehouse (sql)