If you don't want a Government to know anything about you it's probably best not to:
Register to vote
Get a bank account or enter into any form of credit agreement and don't apply for any sort of benefit or work whatsoever.
Trouble is folks that extremists are not upfront about their activities so they have to employ a broad brush approach in the hope that some of the scum of whatever faction slip up and give the game away.
If the powers that be did nothing to try and prevent the likes of what happened in London and New York what would those that are outraged say?
Yes I know in some countries it is used to suppress opposition and that is wrong.
I doubt the NSA is going to be worried by that link to a singing dog you sent your friend last week.
Virgin (ADSL) => Namesco => Newnet => O2 => Plusnet => Zen => Newnet => Zen => Freeola => Vivaciti (using O2 Wholesale DSL) => Xilo (C&W Wholesale) => Xilo (O2 Wholesale)
Router: Billion 7800N
Note: I don't lay turf for anyone. astro or otherwise, all views and opinions expressed are my own based on experience.