Apple's Unified Memory Architecture Is Bringing a New Level of Performance to the MacBook Air

Apple CEO Tim Cook talks about the new MacBook Pro and how it's empowering creatives. He says users can now carry a three pound notebook with all they need to do their work. Apple is also focusing on snappiness, responsiveness in its latest line of computers. The company has been working for more than 50 years but hasn't had as much success until recently.