Source   http://blog.lab42.com/
Related posts:
What are America's Most Stressful Jobs?
What Swimming Pools Cost: $1 Million Per Hour
A Primer on Electric Cars [Infographic]
School of Business History Timeline
China's skyscrapers [Infographic]
The Great Flow of U.S. Debt [Infographic]
The History of Online Gaming [Infographic]
The Colleges That Rule the Web [Infographic]
The Case For Hosted Exchange [Infographic]
The 6 Drones You Need to Know About [Infographic]