The NSA’s voice-recognition system raises hard questions for Echo and Google Home

"Albert Gidari, director of privacy at the Stanford Center for Internet and Society, says that kind of standoff is an inherent problem when platforms are storing biometric-friendly data. After years of sealed litigation, it’s still unclear how much help the government has a right to compel. “To the extent platforms store biometrics, they are vulnerable to government demands for access and disclosure,” says Gidari. “I think the government could obtain a technical assistance order to facilitate the scan, and under [the technical assistance provision in] FISA, perhaps to build the tool, too.”"