<ul><li>Facebook Messenger has uploaded my e-mail list despite not being authorised to do so.</li><li>Facebook gathered the largest bulk of user data compared to LinkedIn and Google.</li><li>Facebook Messenger has collected metadata from 530 sites visited over the past two years.</li><li>Linkedin collects data on users such as name, email, job title, contacts list, followed groups, messages and searches.</li><li>Google stores information like 12678 search terms, 10173 URLs visited, 6272 URLs advertising Google, 3677 URLs with Google analytics and 1426 interactions with Google maps and image search since 2018.</li><li>Google also has an archive of 336 email messages sent or received since 2018, along with metadata like attachments and recipients.</li><li>These companies generate vast revenues from their commercialised data on users.</li><li>No privacy breach has been suspected, however concerns remain over online privacy.</li><li>The user discovered all this about their personal information after he requested Facebook to send his personal data.</li><li>The user was able to see how all this data was being used for advertising and marketing campaigns.</li></ul>

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