Apple is in talks to buy Beats, known for its trendy- and expensive- Beats by Dr. Dre headphones. IF it goes through, this would be Apple's biggest acquisition at a reported $3.2 billion. But Beats doesn't just make headphones. We look at Beats the company, its produts and services, and what it could offer Apple if te deal goes through. Plus, the breakdown of merger plans between Publicis and Omnicom is a reminder of how difficult it can be to execute a merger of equals that has the goal of a 50-50 arrangement. We investigate.