A plan to assess people’s personal characteristics from their Twitter-streamshttp://www.economist.com/news/science-and-technology/21578357-plan-assess-peoples-personal-characteristics-their-twitter-streams-no?fsrc=nlw|hig|5-23-2013|5763538|131436853|NA by henryw • 13 years ago 2 0 13 years agoECeconomist.com