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David Pierson

David Pierson is a business reporter for the Los Angeles Times who writes about tech, media, trade and retail. A staff writer since 2000, he previously covered food and agriculture and was based in The Times’ Beijing bureau from 2009 to 2013 covering China.
Facebook encouraged media companies to invest in video. A lawsuit alleges it wasn't worth it

Facebook failed to disclose it was incorrectly measuring video viewership for more than a year, according to a complaint filed by advertisers.

Former Trump advisor Gary Cohn signs on with L.A.-area blockchain start-up

Cohn, a former top Goldman Sachs executive who served as the president's economics chief, is joining an advisory board to Spring Labs, a new company that aims to disrupt the credit reporting industry by sharing personal financial data using blockchain technology.

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