Facebook has extended its "Gross National Happiness" prototype app to 18 new countries. The app analyzes words in status updates to track changes in collective emotion. http://feeds.feedburner.com/~ff/rss/...?d=yIl2AUoC8zA http://feeds.feedburner.com/~ff/rss/...?d=7Q72WNTAKBA http://feeds.feedburner.com/~ff/rss/...Y8:V_sGLiPBpWU http://feeds.feedburner.com/~ff/rss/...?d=qj6IDK7rITs http://feeds.feedburner.com/~ff/rss/...Y8:gIN9vFwOqvQ
http://feeds.feedburner.com/~r/rss/c...~4/vsKYZJrmFgg
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