What about the different dates Google, Facebook etc came into prism. Why would there be different dates if the government were just collecting raw unencrypted data?
Slurping raw data from one source gives them that raw data.
Slurping nicely formatted data from known sources gives them nicely formatted data that they can then cross-reference and use to help data-mine the raw data.
Slurping nicely formatted data from known sources gives them nicely formatted data that they can then cross-reference and use to help data-mine the raw data.