After release, they can ask for information and harass the person who testified. Some companies sell information to companies that provide specific services. An article titled "Privacy Tools: Exiting Data Brokers" was written by Julia Angwin, which targets a group of people using personal data. Angwin talks about how data brokers sell mailing lists to other companies. "[P] Fair Expert Pam Dickson testified in Parliament that he found a list of data brokers to sell, such as" rape patients "and" erectile dysfunction patients "(Angwin).
In the privacy coin, ZCash ($ ZEC) is currently most respected from the technical point of view. Edward Snowden said their privacy technology is safe, Naval Ravikant is (not only) interested in this, and Vitalik Butertin said that the basic technology of ZCash is currently growing rapidly. Each country is interested in block chain technology and can integrate services. Many potential use cases are included: secure storage of sensitive information, civil rights and social security management, treaties written in smart contracts, and why not through block chain governance? It even happens earlier than expected
On June 6, 2013, Edward Snowden provided the public with details of the National Security Agency (NSA) surveillance activities, causing Americans to worry about their privacy. In the interview, Edward Snowden, a former employee of the National Security Agency, provides very detailed information on how NSA accessed e-mail, telephone, Internet activity, and other technology related content did. - "All is okay as it is far from the hands of the author", "All goes to the hands of humans" (Rousseau Emile, Book 1) Everyone is basically kind to mankind's birth and manipulation of man and perfect damage. Rousseau's statement on the basic goodness of human nature and cultivation of corruption is reflected in the novel "Mary" of Mary Worth Craft.