Part 5/12:
Interestingly, Twitter's data policies mean that even if a user deletes a DM thread, copies might still exist on the recipient's inbox or within Twitter's servers. This could have implications for anyone concerned about the privacy of their conversations. Moreover, Twitter’s infrastructure stores images, videos, and contact details, which could be sold or misused—especially considering the existence of underground forums where Twitter accounts and personal data are bought and sold for thousands of dollars.