Demand for Ads on Facebook, Google, Twitter

June 21 (Bloomberg) -- Jeff Rosenblum, chief executive officer of Questus, talks about the advertising industry and demand for ads on Facebook Inc., Twitter Inc. and Google Inc. websites. He speaks with Emily Chang on Bloomberg Television's "Bloomberg West." (Source: Bloomberg)

BHP Faces $5.2B Lawsuit for Dam Disaster
21:18 - BHP Billiton and its partner Vale are expected to be sued today over the dam disaster at their joint venture in Brazil. Bloomberg's Paul Allen reports on "First Up." (Source: Bloomberg)
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