The opinion archive provides access to past opinion stories from Communications of the ACM and other sources by date.
James Gleick's first chapter has the title "Drums That Talk." It explains the concept of information by looking at a simple example.
I’m barreling along a rural Michigan highway at 75 miles per hour in a gray Ford Taurus X when I glance down to check a number on a screen.
For a while now I have argued that the contemporary operating environment has two dimensions: "the first is the actual tactical field of battle in which bullets fly, bombs explode and blood is shed; the second is the virtual…
The Arab Revolt shows that Google's and Twitter's corporate values are better than Facebook's.
When the first Harry Potter book appeared, in 1997, it was just a year before the universal search engine Google was launched. And so Hermione Granger, that charming grind, still goes to the Hogwarts library and spends hours…
Robotics can be a tricky subject to teach children, and it's hard to know where to start. Cubelets is a system of modular cubes that each have one use, interaction, or behavior, and by linking them together you can create…
Jeopardy! genius Ken Jennings on what it's like to play against a supercomputer.
The Age of Data is just around the corner, right where it has been for years. As someone who spends a lot his time creating visualizations, I've been hoping for this day to come for a very long time.
I’ve been a consumer technology critic for over 10 years. During that time, hate mail has been part of my job every day.
If IBM's Watson machine defeats people on TV's Jeopardy this week, does that mean that computers are smarter than humans? Maybe not. But the performance could tell us something far more interesting.
To most, a wine cellar is just a cool place to keep some vintage vino. For Vint Cerf, the revered former Stanford engineering professor and graduate of the university, it is a portal into the future.
Since it sounds like a not-so-basic- science fiction script, you won't be surprised that the scientific masterminds at the Defense Advanced Research Projects Agency are behind it. DARPA in a nutshell wants to know about how…
Does life exist anywhere in the universe except on Earth?
Tuesday in the U.S. House of Representatives, an unlikely alliance of House Democrats and Republicans stood up for civil liberties and successfully beat back a fast-track attempt to reauthorize the USA PATRIOT Act without…
Our Father, who art in pixels, linked be Thy name, Thy Web site come, Thy Net be done, on Explorer as it is on Firefox.
In the race to build computers that can think like humans, the proving ground is the Turing Test—an annual battle between the world’s most advanced artificial-intelligence programs and ordinary people.
We've seen cyberwar declared before, but the one playing out in Egypt is my own candidate for World Web War I.
Yes, Google started in Susan Wojcicki's rented garage. But in her mind, that might be the single least important fact about her long and deep relationship with the Internet giant.
It is time for the United States to drop the case against WikiLeaks. Pressing forward with efforts to prosecute an Internet publisher at home while standing up for an open Internet in Egypt and the world at large is an increasingly…
In the category "What Do You Know?," for $1 million: This four-year-old upstart the size of a small R.V. has digested 200 million pages of data about everything in existence and it means to give a couple of the world’s quickest…
What the strange persistence of rockets can teach us about innovation.
Google's results can be accessed because Bing is snooping on IE users.
IBM's deep Question Answering system, codenamed Watson, will compete against humans in Jeopardy! tournaments in February. IBM's Eric Brown says that Jeopardy! is a benchmark for driving and measuring the progress of the DeepQA…
Before Egypt turned off the Internet, the country had received increasingly high marks from leading analysis firms as a promising offshore outsourcing destination, despite the nation's political risk.
Stuxnet, most sophisticated cyber weapon ever developed, could turn on vulnerable U.S. infrastructure.
How much are consumers willing to pay for broadband service? Our research estimates consumer willingness-to-pay (WTP) for broadband service and shows a high valuation for…
A series of recent reports claim the U.S. education system is in a very severe crisis; others suggest the crisis is "overblown." An explanation that…
Cyberterrorism is a concept that appears recurrently in contemporary media. This coverage is particularly interesting if one believes, as I do, that…
With the amount of disk space available to the modern programmer, and the lack of parental supervision in most workplaces, the time for programmers to "clean your room!" and…
Considering the impact and implications of changes in scholarly communication.