How Cambridge Analytica used Twitter, Facebook, YouTube and others to put Trump in the White House

It sounds so creepy and far-fetched, almost like the plot to some B-list movie thriller. A company called Cambridge Analytica was able to help deliver the presidency to Donald Trump by getting inside the heads of the real estate developer's supporters and non-supporters using social media sites like Twitter, YouTube and Facebook. Data that was supposed to be used for research only was sold to Cambridge Analytica, which in turn sold the Trump campaign on the power behind its use.

To the credit of the team running the Trump campaign, they understood that mining the Facebook profiles of 50 ...