What's the Best (and Worst) Ad Campaign on Twitter?

Nov. 11 (Bloomberg) -- Bloomberg deals reporter Cristina Alesci looks at the most effective Twitter ad campaigns and some that backfired as well. She speaks on Bloomberg Television’s “In The Loop.”
Aetna to Buy Humana for $37 Billion
37:10 - Bloomberg's Francine Lacqua and Manus Cranny report on today's "Top Headlines." They speak on Bloomberg Television's "The Pulse." (Source: Bloomberg)
  • No Single Personality Can Unite Greece Now: Michaletos
  • Global Stock Market Still in Pretty Good Shape: Gilbert
  • Greek 'No' Vote Would Make Euro Exit Likely: Nakisa