Table of Contents

Departments

Education Letter

Letters To The Editor

CACM Online

Calendar

Careers

Last Byte

Q&A

News

Learning More About Active Learning

Our Sentiments, Exactly

Did Somebody Say Virtual Colonoscopy?

Time to Reboot

IT Ecosystem in Peril

Viewpoints

Emerging Markets

IT and the World's "Bottom Billion"

Kode Vicious

System Changes and Side Effects

Technology Strategy and Management

Strategies for Difficult (and Darwinian) Economic Times

Viewpoint

Computing as Social Science

Viewpoint

Research Evaluation for Computer Science

Practice

Purpose-Built Languages

Cybercrime 2.0: When the Cloud Turns Dark

ORM in Dynamic Languages

Contributed Articles

Database and Information-Retrieval Methods for Knowledge Discovery

Roofline: An Insightful Visual Performance Model for Multicore Architectures

Review Articles

A Direct Path to Dependable Software

Research Highlights

Technical Perspective

Disk Array Models for Automating Storage Management

Relative Fitness Modeling

Technical Perspective

Integrating Flash Devices

Integrating NAND Flash Devices onto Servers

Communications - April 2009 Index