How Does Twitter's 2-Step Login Work?

April 25 (Bloomberg) -- Imperium CEO Mark Risher discusses two-step authentication for Twitter accounts with Emily Chang on Bloomberg Television's "Bloomberg West." (Source: Bloomberg)
Will Alexis Tsipras Resign as Greek Prime Minister?
42:43 - Bloomberg’s Tom Keene and Vonnie Quinn examine viewer responses to the Twitter question of the day. They speak on “Bloomberg Surveillance.” (Source: Bloomberg)
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