Different operating modalities are useful for providing a personalised experience and a one-size fits all approach is not the way forward. Indeed, I wonder if universal design, or participatory design just encourage a product which is acceptable to all but desired by none.
What I hear you cry, “single user studies can’t be valid, even ethnography’s have more than one user”. Well that’s what I was saying before reading Dix 2010.
The January 2010 issue of Interacting with Computers (Volume 22 Issue 1 / http://dx.doi.org/10.1016/j.intcom.2009.11.005) is a Festschrift Special Issue for John Long.
At 65 ‘As We May Think’ has reached its pensionable age but as yet is showing no signs of retiring.