Action Movies, Top Tech: Tumblr's Year in Review

Dec. 30 (Bloomberg) -- David Hayes, creative strategy director at Tumblr, discusses how companies are using Tumblr to boost sales. He speaks with Julie Hyman and Matt Miller on Bloomberg Television's "Street Smart." (Source: Bloomberg)
Coal vs. Gas: What’s Driving the Commodity Selloff?
34:22 - Dynegy CEO Robert Flexon discusses why the U.S. is shifting from coal to natural gas. He speaks with Bloomberg’s Alix Steel on “Bloomberg Markets.” (Source: Bloomberg)
  • NASA's NuSTAR Discovers Five Black Holes
  • The Athens-Based Startup That Managed to Raise $4 Million
  • Apple Music: The Good, the Bad & the Ugly