Machines Shouldnt Have to Spy On Us to Learn

Published: March 27, 2019, 4:34 p.m.

In old spy novels, when two secret agents need to communicate with each other out in the field, one of them often leaves a document in an assigned place\u2014tucked in the hollow of a tree trunk or between the pages of a certain library book. Once the first agent has safely vacated the scene, the second one moves in to fetch it. This maneuver\u2014called a dead drop\u2014may seem straight\xadforward.