Without doubt we were about to become interesting to foreign intelligence services. I clicked experimentally on a folder called “fisa,” short for the Foreign Intelligence Surveillance Act. Until then, the government could not search a Skype or AOL account without a warrant from the Foreign Intelligence Surveillance Court. Acquisition of foreign intelligence also had to be “a significant purpose” of the spying but not the sole or primary purpose. Snowden wrote back.
Source: Washington Post May 11, 2020 13:52 UTC