Highlight the right elements of a chart

The big news in the tech world is Steve Ballmer's retirement accouncement. Andrew Sullivan cites this chart by Derek Thompson as a reason for Ballmer's departure: (original article)

 How about this version?

 

What makes this version better?

• Having the Microsoft/Wintel area at the bottom means the boundary of the area traces its rise and fall
• Choosing a heavy color for Microsoft/Wintel draws attention to the main stage
• Focus numerical labels on the particular items that convey the story, i.e. the numbers highlighted at the top of the original chart in red
• Subtle and sparse gridlines tied to the key message
• Tilt labels to fit inside areas
• Place data labels inside chart next to the highlighted features
• Draw attention to the boundary of the Microsoft/Wintel area