Lawyers tend to defend confidentiality by protecting content:
the words in an email, the draft of a motion, the audio of a
privileged call, the message in which a client finally admits the
damaging fact. That reflex is correct, and incomplete.
In modern information ecosystems, the most revealing layer is
often not what was said, but everything around it: who communicated
with whom, when, how often, from where, on what device, through
which systems, and in what sequence. That surrounding
layer—metadata—forms a durable behavioral map.
The public learned long ago that inferences drawn from ordinary
behavioral patterns can be intimate and accurate. Target's
widely reported pregnancy-prediction episode remains a canonical
illustration: a retailer inferred pregnancy status from purchasing
behavior and marketed accordingly, even before family members knew.
Now the profession is introducing AI systems, powerful pattern
engines, into the practice of law at exactly the moment
