Articles that broke the story

NSA Prism program taps in to user data of Apple, Google and others (Guardian)

U.S., British intelligence mining data from nine U.S. Internet companies in broad secret program (WaPo)

Who’s Edward Snowden and how did the story evolve?

Edward Snowden: the whistleblower behind the NSA surveillance revelations (Guardian)

Cryptic Overtures and a Clandestine Meeting Gave Birth to a Blockbuster Story (NYT)

How we broke the NSA story (Salon)

Comments, pro and contra

Daniel Ellsberg: Edward Snowden: saving us from the United Stasi of America (Guardian)

Jeffrey Toobin: Edward Snowden is no Hero (New Yorker)

The broader context and historical background

Mass Surveillance in America: A Timeline of Loosening Laws and Practices (ProPublica)

The Best Stories on the Government’s Growing Surveillance (ProPublica)

The Program (NYT)

The NSA Is Building the Country’s Biggest Spy Center (Watch What You Say) (Wired)

Top Secret America - A Washington Post Investigation (WaPo)