[More unsettling NSA leaks.]

The Obama administration for more than two years permitted the National Security Agency to continue collecting vast amounts of records detailing the email and internet usage of Americans, according to secret documents obtained by the Guardian.

[…]

“The calls you make can reveal a lot, but now that so much of our lives are mediated by the internet, your IP [internet protocol] logs are really a real-time map of your brain: what are you reading about, what are you curious about, what personal ad are you responding to (with a dedicated email linked to that specific ad), what online discussions are you participating in, and how often?” said Julian Sanchez of the Cato Institute.

“Seeing your IP logs – and especially feeding them through sophisticated analytic tools – is a way of getting inside your head that’s in many ways on par with reading your diary,” Sanchez added.

via NSA collected Americans’ email records in bulk for two years under Obama.