Effects of the Display Angle on Social Behaviors of the People around the Display: A Field Study at a Museum - Junko Ichino; Kazuo Isoda; Tetsuya Ueda; Reimi Satoh (Proceedings of the 19th ACM Conference on Computer-Supported Cooperative Work & Social Computing, CSCW 2016, San Francisco, CA, USA, February 27 - March 2, 2016, 2016)