Interactions - March/April 2013

VOLUME XX. 2 | MARCH + APRIL 2013 CONTENTS FEATURES

26 Mobile Collocated Interactions: Taking an Offline Break Together

Andrés Lucero, Matt Jones, Tero Jokela, and Simon Robinson

33 App Stores: External Validity for Mobile HCI

Niels Henze and Martin Pielot

39 Data in the Wild: Some Reflections

Chee Siang Ang, Ania Bobrowicz, Diane J. Schiano, and Bonnie Nardi

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54 Materiality Matters— Experience Materials Mikael Wiberg, Hiroshi Ishii, Paul Dourish, Anna Vallgårda, Tobie Kerridge, Petra Sundström, Daniela Rosner, and Mark Rolston

58 Why Microsoft Word Does Not Work for Novice Writers Joohee Huh

62 Elections: ‘We Have to Fix That’ Whitney Quesenbery

COVER STORY

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44 Teaching and Learning Human-Computer Interaction: Past, Present, and Future

HCI has evolved considerably since SIGCHI published its Curricula for Human-Computer Interaction more than 20 years ago. HCI leaders—past and present—chronicle the growth and depth of HCI education and explore the paths it may take in the future.