From the editor

Ilpo Koskinen

1-2

Ubicomp

fifteen years on

Ian Hargraves

3-10

Design research for social scientists

reading instructions for this issue

Caroline Hummels, Ilpo Koskinen

11-17

Searching for salient aspects of resonant interaction

Caroline Hummels

Radical innovation and end-user involvement

the ambilight case

Diederiks, Henriette Hoonhout

31-38

Are you alive?

sensor data as a resource for social interaction

Esko Kurvinen, Mia Lähteenmäki, Antti Salovaara, Fabiola Lopez

39-49

Fabric-circle-slider

prototype exploring the interaction aesthetic of contextual integration

John Zimmerman, Amy K. Hurst

51-57

Improving independence of elderly people by introducing smart products

the guide me localization case

J. P. Joore

59-69

Erratic appliances and energy awareness

Anders Ernevi, Samuel Palm, Johan Redström

71-78