I tried to submit this hours ago but nobody upvoted:

https://en.wikipedia.org/wiki/Main_Core

"As of 2008 there were reportedly eight million Americans listed in the database as possible threats, often for trivial reasons, whom the government may choose to track, question, or detain in a time of crisis."

We are more than half way in the road to serfdom and tyranny.

EDIT: Resubmitted now as "http" - https://news.ycombinator.com/item?id=5878571