How a data analytics firm allegedly ‘weaponized’ Facebook to swing votes in 2016

On Friday, Facebook suspended Cambridge Analytica, a UK-headquartered data analytics firm, for allegedly using user data to devise election advertising strategy, particularly for undecided voters, in the run-up to the 2016 election. The U.S. arm of the firm reportedly received information on 50 million American voters from Facebook without disclosing its intentions to the social media giant. Molly Wood, host of Marketplace Tech, joins Megan Thompson for more.