FREAK-est Links

• GDP of 25 U.S. corporations vs. GDP of small countries.
• Myopia: Nearsightedness in Americans increased 68% since the 1970s.
• Upper-class people have a more difficult time accurately reading the emotions of a stranger.
• Could an airline-style reward program work for public transportation?
• Cornell study: 85% of top Amazon reviewers get free swag.