Edward Snowden revealed that NSA has another secret program to spy on users Internet experience tracking practically every his activity. The NSA tool collects nearly everything a user does on the internet, XKeyscore gives widest-reaching collection of online data analyzing the content of emails, social media and browsing history. NSA program allows analysts to search with no prior authorization through vast databases containing emails, online chats and the browsing histories of millions of individuals, according to documents provided by whistleblower Edward Snowden.”]