Max Foster talks to David Stillwell about how clicking ''like'' on Facebook creates personality profiles of its users. For more CNN videos, visit our site at www.cnn.com
Cable News Network (CNN) is a U.S. cable news channel founded in 1980 by American media mogul and philanthropist Ted Turner. Upon its launch, CNN was the first channel to provide 24-hour television news coverage, and the first all-news television cha...