Cambridge Analytica has been credited with playing a major part in President Donald Trump's 2016 election success.
Politicians are calling for Facebook CEO Mark Zuckerberg to testify before the U.S. government after explosive revelations.
The Cambridge Analytica scandal shows Facebook users need to know which apps have their data.
House Democrats have written to Donald Trump's digital team over concerns that Russia targeted misinformation at Americans.
Donations to RNC legal fund paying Russia investigation lawyers shows $193,400 from Cambridge Analytica's Mercer and wife.
Political operatives used fake news, Big Data and Facebook to suppress the vote and rile up racists in 2016. It's going to be even uglier next time around.