How Lavabit Melted Down
The inside story of how the secure e-mail service used by the N.S.A. whistleblower Edward Snowden went dark, as told by court documents and its owner and operator.
Favorite part:
This printout, in what appears to be four-point type, consists of eleven pages of largely illegible characters. To make use of these keys, the F.B.I. would have to manually input all two thousand five hundred and sixty characters, and one incorrect keystroke in this laborious process would render the F.B.I. collection system incapable of collecting decrypted data.