Old Models No Longer Suffice
Changes in culture have led to changes in design;
we explore the new models facing our creations
and their creators.
Factors to No Longer Overlook
The repercussions of our actions, from small to large,
form a lasting voice in culture and society. We take
a look at these repercussions.

COVER STORY

28 Toto, I’ve Got a Feeling We’re
Not in Kansas Anymore…
Meredith Davis

ON MODELING

35 Design in the Age of Biology:
Shifting from a Mechanical-
Object Ethos to an Organic-
Systems Ethos
Hugh Dubberly

Ps AND Qs

42 Open, Closed, or Ajar? Content
Access and interactions
Elizabeth Churchill, Mark Vanderbeeken

THE WAY I SEE IT

45 Simplicity Is Not the Answer
Don Norman

OK/CANCEL

46 Applied Science
Tom Chi, Kevin Cheng

FEATURE

47 What Should Be Automated?
Matti Tedre

TRUE TALES

50 Living in the Overlap
Steve Portigal
FEATURE
52 Ignorance of Interaction
Programming Is Killing People
Harold Thimbleby

FEATURE

58 Mental and Conceptual Models,
and the Problem of Contingency
Charles Hannon
TIMELINES
65 Why Engelbart Wasn’t Given the
Keys to Fort Knox—Revisiting
Three HCI Landmarks
Jonathan Grudin
FEATURE
68 Let’s Get Physical
Gretchen Anderson
FEATURE
74 The Researcher-Tool Mismatch:
Improving the Fit Between User
Researchers and Technology
Rob Tannen

INTERACTIONS CAFE

80 On Addressing
Wicked Problems…
Jon Kolko, Richard Anderson

September + October 2008

http:// interactions.acm.org