The opinion archive provides access to past opinion stories from Communications of the ACM and other sources by date.
We’ve all done it: We’re at an event, we take a bunch of photos with our phones, we take a selfie and maybe one with a friend, we post all the images online, and we’re done.
The Internet has already changed how we live and work, and we're only just getting started. Who'd have thought even five years ago that people would be streaming Ultra HD 4K video over their home Internet connections?
All these people are trying to kill email.
More than a year after ex-National Security Agency contractor Edward Snowden began leaking details of the agency's electronic surveillance programs, questions remain about how he accessed so many documents, and about the technology…
A growing stack of companies would like you to pay a monthly fee to read e-books, just like you subscribe to Netflix to binge on movies and TV shows.
I threw down a bit of a challenge last month at the Association of Medical Illustrators Conference in Minnesota.
Christian Rudder, co-founder and president of the IAC/InterActiveCorp.'s OkCupid, caused a stir recently when he responded to Facebook's news feed controversy with some no-regrets commentsabout the dating website's own experiments…
Bob Fraser explains what it feels like to pilot a Jetstream airliner containing passengers on 800-kilometre trips from his desk at BAE Systems in Warton, U.K.
For one weekend every year, thousands of the world’s best—or worst, depending on your point of view—hackers meet in Las Vegas, Nevada, for Defcon.
The singularity—or, to give it its proper title, the technological singularity. It's an idea that has taken on a life of its own; more of a life, I suspect, than what it predicts ever will.
In the computer and network security industry, few people are as well known as Dan Geer.
There's this great Andy Warhol quote you’ve probably seen before: "I think everybody should like everybody."
In the depths of night on August 5th 1914 the British Cable Ship Alert took the first significant action of World War I, severing the five German submarine cables that ran through the English Channel.
Humans are affecting the Earth’s systems on a global scale. Industrial pollutants are accumulating in our atmosphere with the potential for long-term impact on global climate and biodiversity.
Charles Stross is an award-winning science fiction author whose books include The Bloodline Feud, about timeline-hopping narco-terrorists, Halting State, a near-future crime thriller set in Scotland, and The Rapture of the Nerds…
Was the National Cryptologic Museum designed using a code of some kind?
The mobile revolution has spread beyond the mini supercomputers in our hands all the way to the data center.
The Internet is, from its very core to its most distant peripheries, a vast universe of text.
Genevieve Bell grew up among Aboriginal people in Australia, taught anthropology at Stanford and for the past 16 years has worked for Intel.
Shortchanged by open source.
The challenges and potential approaches to applying privacy research in engineering practice.
An agent-based approach to integrating computing in secondary-school science courses.
Designing for the mobile phone to shared PC pipeline.
Considering a program for cross-disciplinary research between computer scientists and economists studying the effects of computers on work.
Seeking to enrich the search experience by allowing for extra time and alternate resources.
A few facts and opinions and a couple of announcements, with a prediction on where the "Hadoop stack" might be …
And, what flavor of reality do you prefer: standard, augmented, virtual...
Even as computer graphics professionals meet to learn from each other and celebrate their own, they acknowledge their shared understanding …