Comment by morganpyne

Certainly the UK seems to have taken a giant leap in this direction recently (unless this is a misguided April fool article):

http://www.bbc.co.uk/news/uk-politics-17576745

I think you are deluding yourself though if you believe that most major govts are not doing wholesale digital trawling to the best of their (advanced) abilitites already, regardless of whatever legislation is currently in place.