Happiness Study

http://blog.mindvalleyacademy.com/people-skills-and-social-life/harvard-happiness-study

countries.csv

http://blog.plsoucy.com/2012/04/iso-3166-country-code-list-csv-sql/

Psychology in IT

Going to post more references on psychology, especially positive psychology

IT needs to introduce "psychology" into itself to evolve

Gratitude guide

http://greatergood.berkeley.edu/article/item/tips_for_keeping_a_gratitude_journal
http://greatergood.berkeley.edu/author/Robert_Emmons/
http://tinybuddha.com/blog/turn-pain-to-joy-11-tips-for-a-powerful-gratitude-journal/