http://www.ijdesign.org Dear Colleagues, I am pleased to announce the publication of Volume 2, Issue 1 of the International Journal of Design. All contents are freely available online. You can read, download, or forward these articles to your colleagues. We sincerely invite you to submit your best work to the International Journal of Design. Please refer to Author Guidelines online at <http://www.ijdesign.org>www.ijdesign.org. Best Regards, Lin-Lin Chen Editor-in-Chief -- International Journal of Design Vol. 2(1) April 2008 | Table of Contents Original Articles Three-in-One User Study for Focused Collaboration Turkka Kalervo Keinonen , Vesa Jääskö , Tuuli Mattelmäki The Product Ecology: Understanding Social Product Use and Supporting Design Culture Jodi Forlizzi Design, Risk and New Product Development in Five Small Creative Companies Robert N. Jerrard , Nick Barnes , Adele Reid How to Rate 100 Visual Stimuli Efficiently Yaliang Chuang , Lin-Lin Chen Design Case Studies Perceptual Information for User-Product Interaction: Using Vacuum Cleaner as Example Li-Hao Chen , Chang-Franw Lee Perspectives The Nature of Design Practice and Implications for Interaction Design Research Erik Stolterman -- http://www.ijdesign.org