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Content type: Impact Case Study
What HappenedOn 5 June 2013, The Guardian published the first in a series of documents disclosed by Edward Snowden, a whistleblower who had worked with the NSA. The documents revealed wide-ranging mass surveillance programs conducted by the USA’s National Security Agency (NSA) and the UK’s Government Communications Headquarters (GCHQ), which capture the communications and data of hundreds of millions of people around the world. In addition to revealing the mass surveillance programs of the NSA…
Content type: Explainer
Phone networks are divided between two networks: the physical and the mobile. The physical runs on the Public Switched Telephone Network (PSTN) that serves your home phone. Mobile networks are dominant in the age of communication and are used to relay mobile communications to the PSTN. The most prominent mobile networks are GSM networks (Global System for Mobile communications) and are what we use everyday to communicate with one another. Another system is known as CDMA (Code Division Multiple…
