Policy by the Numbers, January 9, 2012 by Paul M. Schwartz & Daniel J. Solove
http://policybythenumbers.blogspot.com/2012/01/google-ngram-and-information-privacy.html
In our recent work, The PII Problem, we drew on the NGram viewer to gain a sense of peaks and valleys in policymakers’ attention to “information privacy” from 1950 to 2000…. From the 1990s on, the continuing use of the attention to “information privacy” reflected society’s growing concern with privacy in the PC and then Internet era.