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5 ACM-W Letter ACM-W Celebrates Women in Computing By Elaine Weyuker

9 Letters To The Editor Share the Threats

10 blog@CACM

Speech-Activated User Interfaces and Climbing Mt. Exascale Tessa Lau discusses why she doesn’t use the touch screen on her in-car GPS unit anymore and Daniel Reed considers the future of exascale computing.

22 Privacy and Security

Answering the Wrong Questions Is No Answer

Asking the wrong questions when building and deploying systems results in systems that cannot be sufficiently protected against the threats they face.

By Eugene H. Spafford

25 Inside Risks

Reducing Risks of Implantable Medical Devices

A prescription to improve security and privacy of pervasive health care. By Kevin Fu

12 CACM Online

Making That Connection By David Roman

27 Calendar

13 Micromedicine to the Rescue Medical researchers have long dreamed of “magic bullets” that go directly where they are needed. With micromedicine, this dream could become a life-saving reality. By Don Monroe

101 Careers

16 Content Control

Entertainment businesses say digital rights management prevents the theft of their products, but access control technologies have been a uniform failure when it comes to preventing piracy. Fortunately, change is on the way.

By Leah Hoffmann

28 The Profession of IT

Beyond Computational Thinking If we are not careful, our fascination with “computational thinking” may lead us back into the trap we are trying to escape.

By Peter J. Denning

Last Byte

103 Puzzled

Solutions and Sources By Peter Winkler

104 Future Tense Webmind Says Hello By Robert J. Sawyer

18 Autonomous Helicopters Researchers are improving unmanned helicopters’ capabilities to address regulatory requirements and commercial uses.

By Gregory Goth

31 Viewpoint

Why “Open Source” Misses the Point of Free Software Decoding the important differences in terminology, underlying philosophy, and value systems between two similar categories of software.

By Richard Stallman

21 Looking Backward and Forward CRA’s Computing Community Consortium hosted a day-long symposium to discuss the important computing advances of the last several decades and how to sustain that track record of innovation.

By Bob Violino

34 Kode Vicious

Obvious Truths

How to determine when to put the brakes on late-running projects and untested software patches. By George V. Neville-Neil

Association for Computing Machinery Advancing Computing as a Science & Profession

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