Cambridge Analytica

When talking about recent digital history and the history of the internet it's hard to overlook the massive scandal that was Cambridge Analytica and the role they plaid in influencing the 2016 presidential election. This company used private data provided by Facebook and was employed by the Trump Campaign in order to sway voters by creating an echo-chamber. That is to say, an environment in which political opinions are only echoed with similar opinion articles and media. This can have the effect of radicalizing the audience as they are increasingly pushed to a belief set by a constant stream of media without even having to engage with the other side. This was used in many ways to radicalize republicans who may have had doubts about Trump into voting for him.
That wasn't the extent of the disturbing violations of the Scandal; Analytica also collected all sorts of personal information from the user's things that Facebook guaranteed would stay private at least in the context of use by corporations. Part of the problem of Analytica was that they presented themselves as a research company and development lab in order to gain more specific data in order to use in the Trump Campaign.
Ultimately this massive breach of Privacy and political meddling resulted in a massive backlash against Facebook. Once well-respected names like Mark Zuckerburg and Sheryl Sandburg are now seen as ruthless and unethical tycoons. Facebook stock plummeted and Mark Zuckerburg had to attend a Congressional Hearing. But this all raises the question, how do guaranty privacy in the digital age and what kind of information should stay private online and what things do companies have access to?