Since 2013, Google has switched to encrypting in transit across unsecured fiber: https://cloud.google.com/docs/security/encryption-in-transit...
1)https://krebsonsecurity.com/tag/emergency-data-request/ 2)https://news.ycombinator.com/item?id=30842757
This list does exist.
https://en.wikipedia.org/wiki/Global_surveillance_whistleblo...