It’s up to your own power to protect your privacy.
As seen from Jenna Wortham’s New York Times article “Seeking Online Refuge From Spying Eyes,” Internet users’ privacy is constantly compromised due to online exchanges between websites and the NSA. Sites such as Facebook, Twitter, and Google are able to track a user’s browsing habits and therefore create maps of people’s personal information and social connections. Wortham’s article can be read here.