In the pre-supercomputer age BB was part of the classic cautionary tale a few decade before BD
http://ca.news.yahoo.com/where-to-draw-the-line-on-government-surveillance-032133024.html
From Big_Brother to Big_data, its only natural that any country & corporation create its own BD base.
http://ca.news.yahoo.com/feds-want-extend-blanket-permanent-secrecy-over-11-170008696.html
But unless reasonable protective laws are maintained BD & BB will become more intertwined.
