Source  http://npd.snd.org/
Related posts:
10 Levels of Intimacy in Today's Communication
Interactive Map - China Diaspora
Myers-Briggs and Job Satisfaction [Infographic]
Evolution of the Mobile Phone [Infographic]
Anatomy of a Vegan [Infographic]
Social Media Cheat Sheet [Infographic]
1984 in 2013: Privacy & The Internet [Infographic]
State Mammals - Official Mammals of the United States
Basketball Court Dimensions & Measurements
Disasters in Transit – A Century of Death