Twitter's Strategy to Counter Spam, Cyberattacks

Oct. 4 (Bloomberg) -- Mark Risher, co-founder of Impermium and former spam czar at Yahoo, discusses Twitter's security concerns with Cory Johnson on Bloomberg Television's "Bloomberg West." (Source: Bloomberg)

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10:59 - Guests include: Billionaire environmental activist Tom Steyer, Cuemacro founder Saeed Amen, Ballard Spahr's Dee Spagnuolo and Meghan Duggan, captain of the U.S. Women's National Hockey team. (Source: Bloomberg)
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