In early 2018, the data analysis and marketing firm Cambridge Analytica came under fire in both the United States and the United Kingdom for different reasons. What exactly happened and how have things changed as a result?Learn more about advertising on the HowStuffWorks podcasts at www.howstuffworks.com/advertisers.htmAnd to learn about your ad choices when listening to podcasts, visit https://www.howstuffworks.com/privacy.htm#ad-choices