In his premonitory book “The Assault on Privacy: Computers, Data Banks, and Dossiers,” Arthur R. Miller warns of the threat of information technology. 45 years later, we are all too aware of the importance of collecting, sharing, and analyzing sensitive data with care. In particular, the problem of sharing (or publishing) datasets is a critical one. Past attempts at data sharing through anonymization, though it sounds like a simple bullet-proof procedure, have been met with catastrophes. Incidents experienced by companies like AOL and Netflix remind us of the consequences of underestimating