A.Companies make a big fortune from your organs.
B.Companies use your accurate data to advertise you.
C.Companies sell and buy your personal information.
D.You are sold on the Internet by Google and Facebook.
A.Julia Angwin is a well-known editor of Wall Street Journal.
B.The series of articles "What They Know" started in 2010.
C.Wall Street Journal exposes many unregulated data-brokers.
D.Wall Street Journal knows nothing about activities that erode privacy.