This is a perfect fit for darknet admins, being able to nuke all digital evidence when arrested has been a thing for ever. Often it works by closing the laptop.

This is a perfect fit for darknet admins, being able to nuke all digital evidence when arrested has been a thing for ever. Often it works by closing the laptop. It might also be useful for whistleblowers, although I doubt that there is any advantages over strong file and disk encryption.