February 2014 - Vol. 57 No. 2
![February 2014 issue cover image](https://cacm.acm.org/wp-content/uploads/2014/02/2556647.cover_.jpg?w=302)
Features
Contribute More Than Algorithmic Speculation
Clarifying Human-Computer Interaction
Should Everybody Learn to Code?
Computational Photography Comes Into Focus
Would Cybersecurity Professionalization Help Address the Cybersecurity Crisis?
Establishing a Nationwide CS Curriculum in New Zealand High Schools
An Integrated Approach to Safety and Security Based on Systems Theory
Digital Platforms: When Is Participation Valuable?
Node at LinkedIn: The Pursuit of Thinner, Lighter, Faster
Provenance in Sensor Data Management
Cryptography Miracles, Secure Auctions, Matching Problem Verification
Computation Takes Time, But How Much?
Technical Perspective: A New Spin on an Old Algorithm
Communication Costs of Strassen’s Matrix Multiplication