The New York Times reported Tuesday, in a piece by Nicole Perlroth and John Markoff, that the NSA has developed a "peephole" to penetrate Google and Yahoo!, with the fiber-optic cables from Verizon that connect the data centers, which are themselves heavily secured. The story is here. There are major data bunkers in Loudoun County VA and in North Carolina, for example.
It gets worse (not better). Huffington Post reports, in a staff story that the NSA spies on "porn viewing" in order to find "radicalizers" whom to discredit, link here. An online reputation issue, maybe?