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XRDS
Crossroads The ACM Magazine for Students
SUMMER 2010 IS SUE 1 6.4

The Future of Interaction

Profile: Hiroshi Ishii Looks for What’s Tangible Computers that Connect Directly to the Brain! Pen-Based Computing: Old Dog, New Tricks

X RDS. A C M.ORG

The Imagine Cup is the world’s premier student technology competition. While competing for cash and prizes, students gain real lifeexperiences, make new friends, and turn their ideas into reality. The brightest young minds join together and, using technology, take on the toughest problems facing our world today. www.imaginecup.com

© 2010 Microsoft Corporation. All rights reserved. Microsoft and the Microsoft logo are either trademarks or registered trademarks of Microsoft Corporation in the United States and/or othercountries.

Crossroads The ACM Magazine for Students
S UMMER 2 01 0 V OL . 1 6 • NO .4

The Future of Interaction

begin
04 LETTER FROM THE EDITOR 05 InbOx 06 UPDATES

features
09 FEATURE

end
50 HELLO WORLD

In Search of a Natural Gesture By Johnny Chung Lee
14 FEATURE

Real-Time Face Detection with Webcam By Dmitry Batenkov
52 LAbZ

About the Redesign By James Stanier
07 bEnEFITPen-Based Computing By Gordon Kurtenbach
21 FEATURE

Microsoft Research, Redmond, Washington By Tom Bartindale
53 bACK

Free Software from the Microsoft Developer Academic Alliance By Daniel Gooch
07 ADVICE

Interactive Surfaces and Tangibles By Sergi Jordà, Carles F. Julià, and Daniel Gallardo
30 FEATURE

The Evolution of a Mouse By James Stanier
54 EVEnTS 55 POInTERS 34 ACROnYMS56 bEMUSEMEnT

Marketing Your Ideas By Daniel Lemire

Interfaces On the Go By Desney Tan, Dan Morris, and T. Scott Saponas
36 FEATURE

My New PC is a Mobile Phone By Patrick Baudisch and Christian Holz
42 FEATURE

From Brains to Bytes By Evan Peck, Krysta Chauncey, Audrey Girouard, Rebecca Gulotta, Francine Lalooses, Erin Treacy Solovey, Doug Weaver, and Robert Jacob
49 PROFILEHiroshi Ishii: Tangible Bits By David Chiu

XRDS • summer 2 01 0 • V ol .16 • No.4

1

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