[nostrademons]

One of the earlier Snowden disclosures was that the NSA had tapped private internal Google fiber lines carrying traffic between data centers. Same with Yahoo, Microsoft, other major Internet destinations. Google has since started encrypting all internal traffic, but for awhile pretty much anything was available to the NSA dragnet.

[alex_duf]

I'm sure it still is. We just don't know how yet, but a giant corporation like google has probably other ways to be attacked.

And if it is not possible on the technical level, the NSA will find the people to access the data they want.