[liberationtech] Why Metadata Matters

[Eugen Leitl]

On Thu, Jun 06, 2013 at 06:14:42PM -0700, Matt Johnson wrote:
> Griffen, your example is flawed. The data being reported by Verizon is
> call duration, not how long someone is at a particular place. So
> someone with that data could say that Jane made a call from 16th & L,
> but not how she stayed there after the call ended.

A ZByte facility (e.g. like the one in Utah) can store about 
10^10 years worth of audio (2 kByte/s with a modern codec), 
or about 1.4 year worth of audio for every human currently 
on the planet.

So forget the metadata, of course they store it along
with everything else.