BLB: A Persuasive and Interactive Installation Designed to Improve Well-Being - Connie Golsteijn; Elise van den Hoven; Sijme Geurts; Max Eichenbrenner; Christ van Leest; Sanne van den Hurk; Yih Shun Ling (Persuasive Technology, Third International Conference, PERSUASIVE 2008, Oulu, Finland, June 4-6, 2008. Proceedings, 2008)