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The massive collection of personal data revealed by Snowden in June 2013 has focused the attention of individuals on possible misuses of personal data. The event represents a natural experiment to study individuals' privacy behaviors. We exploit this to investigate whether after these revelations, individuals feel more or less comfortable with the fact that some Internet companies provide access to free services in exchange for personal data. We analyze individual data collected in Europe before and after Snowden's revelations, and we estimate acceptance using pooled cross section. To measure the effect of being informed about the collection of personal data, we use propensity score matching. We find that the revelations of collection of personal data has reduced the probability that individuals mind providing personal data for free services. The results suggest that it exists a demand for privacy and potential of privacy enhancing services.
