Pew Research Center:

After the June 2013 leaks by government contractor Edward Snowden about National Security Agency surveillance of Americans’ online and phone communications, Pew Research Center began an in-depth exploration of people’s views and behaviors related to privacy. Our recent report about how Americans think about privacy and sharing personal information was a capstone of this two-and-a-half-year effort that examined how people viewed not only government surveillance but also commercial transactions involving the capture of personal information.