The opinion archive provides access to past opinion stories from Communications of the ACM and other sources by date.
The currency of the 21st century digital economy is your personal information. It has no transaction costs and does not decrease in value when the supply increases. Contrary to the laws of economics, it may even increase in value…
When some future Mars colonist is able to open his browser and watch a cat in a shark suit chasing a duck while riding a roomba, they will have Vint Cerf to thank.
The FBI and the CIA are being criticized for not keeping better track of Tamerlan Tsarnaev in the months before the Boston Marathon bombings.
Could a virtual currency created by an anonymous Internet hacker someday replace the U.S. dollar?
Google Executive Chairman Eric Schmidt is ready for a future where his smart mattress monitors sleep patterns and alerts the curtains to allow daylight in, waking him at the exact right moment in his REM cycle.
Bitcoin. Everybody's talking about it. What's true, and what's hype? Perhaps the only thing that's clear about Bitcoin is that it's not going away anytime soon.
The real capabilities and behavior of the U.S. surveillance state are almost entirely unknown to the American public because, like most things of significance done by the U.S. government, it operates behind an impenetrable wall…
One day in March, I was sitting across from Facebook's design director, Kate Aronowitz, at 1 Hacker Way in Menlo Park when she told me, "It takes a lot of work to create the perfect empty vessel."
iOS 7 will be flat, as in flat design.
Forecasting future technology has never been easy. In the 1950s, scientists and technologists envisaged that by now the world would be free from disease, traversed by flying cars, and fueled by minerals from distant planets.
Google has stoked our collective imagination via relentless promotion of its Google Glass wearable computer in recent months.
Ever since it was discovered in 2004, graphene has been hailed as a natural wonder of the materials world destined to transform our lives in the 21st century.
Due to Congressional rules, the House Committee on Science, Space, and Technology had to choose new leadership this year.
The Internet, in the popular imagination, is supposed to be free—"the last bastion of our economy untouched by the government," as they say on Fox News.
Our government collects a lot of information about us. Tax records, legal records, license records, records of government services received—it's all in databases that are increasingly linked and correlated.
Reflections on a significant, yet often overlooked, computing pioneer.
Computer science is in a period of renaissance as it rediscovers its science roots.
The race to build ever-faster supercomputers is on, with more contenders than ever before. However, the current goals set for this race may not lead to the fastest computation for particular applications.
Examining the mismatch between copyright law and technology-influenced evolving social norms in the European Union.
Combining computing and psychology, J.C.R. Licklider's prescient ideas are being applied in contemporary educational settings.
Ethics can and should be presented to computer science students in appropriate ways.
The foundation of any collective action, of any community, is language. It influences how we feel, react, and understand.
On the added value of teaching an online soft skills course to undergrad computer science students.
The Internet is changing, and the freewheeling, anything-goes culture of …
Consumer rights groups say the agency operating the subway system …
Researchers at Imperial College London in the U.K. proposed a …