The Last Enemy
I finally got around to watching The Last Enemy, a BBC mini-series about a dystopian world not more than 20 minutes into the future (as Max Headroom used to say) in which the government knows way more about you than you'd like it to. If you think for more than a few minutes about what governments could do with the massive amounts of data that's being created today, it's hard to think of a future that not distressingly like the one depicted in The Last Enemy.
Privacy is important. Don't let anyone tell you otherwise.