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Edward Snowden had revealed the Mass Metadata Surveillance System of America's National Security Agency (NSA) in his documents. Let's suppose If NSA had found someone dialing number of an al Qaeda member, and assume that this person had phoned 100 other people over the...
[1] https://twitter.com/Snowden/status/1301251393832050688
[1] https://twitter.com/Snowden/status/1301251393832050688
previous 5 yrs, that would mean NSA could start tracking not only the suspect’s calls but also calls of those 100 other people. If each of those people called 100 people, NSA could track their calls, too, and that would put (100 times 100) 10,000 people on agency’s screen.
[2]
![previous 5 yrs, that would mean NSA could start tracking not only the suspect’s calls but also calls of those 100 other people. If each of those people called 100 people, NSA could track their calls, too, and that would put (100 times 100) 10,000 people on agency’s screen. [2]](https://pbs.twimg.com/media/Eg8Jx45WAAEmTmi.jpg "previous 5 yrs, that would mean NSA could start tracking not only the suspect’s calls but also calls of those 100 other people. If each of those people called 100 people, NSA could track their calls, too, and that would put (100 times 100) 10,000 people on agency’s screen. [2]")
[2]
In the third hop, the analysts could trace the calls of those 10,000 people and the calls that they had made—or (10,000 times 100) 1 million people.
In other words, active surveillance of a suspect could put a million people under the agency’s watch.
[3]
In other words, active surveillance of a suspect could put a million people under the agency’s watch.
[3]
The annual transparency report from the Office of the Director of National Intelligence revealed that the NSA collected telephone metadata on 19,372,544 different phone numbers from late May 2018 until the end of the year.
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[4]
Similarly, the British GCHQ gathers data equivalent of all the books in British library, sent 192 times every 24 hrs under the Project Tempora by infiltrating the fibre optic cables that transport internet traffic between UK, North America, South America and Europe.
[5]
[5]
@Snowden also revealed that the US govt was running a vast Internet surveillance program and tapping every major Silicon Valley platform and company—Facebook, Google, Apple, Amazon including mobile games like Angry Birds under the program Prism. https://twitter.com/tequieremos/status/1287342557903704064?s=19
