A less benign social media data controversy happened in 2018, when British political consulting firm Cambridge Analytica was discovered to have obtained personal data from millions of Facebook users in 2015 by convincing people to link a personality quiz with their Facebook account. The personal data derived from the quiz was then used to target voters and potentially sway elections. The Library of Congress and Cambridge Analytica represent two extremes, but less publicized researchers have continued mining for data on social media, restricted only by terms of service and their own senses of
...more
