An article suggests that outdated mobile devices could be used as top-secret privacy devices. The idea is that old smartphones that are no longer tied to a cellular network can use Wi-Fi (preferably someone elses, to ensure non-traceability); a number-assigning service to send text messages or even place calls; and a VPN to encrypt the texts and anonymize location. Enterprise IT is open to new approaches to safeguard communications, which are prone to being intercepted by law enforcement, cyberthieves.”]