Communications of the ACM
Generative AI Degrades Online Communities
How large language models are influencing online communities.
From ACM Opinion
A Fuzzy and Shifting Line Between Hacker and Criminal
In January 2011, I was assigned to cover a hearing in Newark, where Daniel Spitler, then 26, stood accused of breaching AT&T's servers and stealing 114,000 email...
From ACM Opinion
Sneaky Apps That Track Cellphones
A perversion of smartphone technology called "stalking apps"—precise, secretive trackings of the movements of cellphone users—is increasingly a matter of national...
From ACM Opinion
Opening the Doors to the Life of Pi
For those of us who have been intoxicated by the powers and possibilities of mathematics, the mystery isn't why that fascination developed but why it isn't universal...
From ACM Opinion
I Am Not Big Brother
I've grown accustomed to reading inaccurate accounts of my day job. I'm in political data.
From ACM Opinion
At Dawn We Sleep
If you read the newspapers on the morning of Dec. 7, 1941, you would have been led to believe that Japan was poised to attack—but in Southeast Asia, not Pearl Harbor...
From ACM Opinion
Science Is the Key to Growth
Mitt Romney said in all three presidential debates that we need to expand the economy. But he left out a critical ingredient: investments in science and technology...
From ACM Opinion
Is Failure to Predict a Crime?
I learned with disbelief last Monday about the decision of an Italian judge to convict seven scientific experts of manslaughter and to sentence them to six years...
From ACM Opinion
And the Firewalls Came Tumbling Down
There's much to like about "This Machine Kills Secrets," Andy Greenberg's well-reported history of WikiLeaks and the many projects it has inspired, but one unintentionally...
From ACM Opinion
Where's the Discussion of Trojan Horses?
The Mykonos Vase, discovered in 1961 in the Cyclades, is one of the earliest accounts of the Trojan Horse, used as a subterfuge by the Greeks to enter the city...
From ACM Opinion
The Internet? We Built That
Who created the Internet and why should we care? These questions, so often raised during the Bush-Gore election in 2000, have found their way back into the political...
From ACM Opinion
When Gps Tracking Violates Privacy Rights
For the right to personal privacy to survive in America in this digital age, courts must be meticulous in applying longstanding privacy protections to new technology...
From ACM Opinion
Breaking p the Echo
It is well known that when like-minded people get together, they tend to end up thinking a more extreme version of what they thought before they started to talk...
From ACM Opinion
The Iphone Stimulus
Are you, or is someone you know, a gadget freak? If so, you doubtless know that Wednesday was iPhone 5 day, the day Apple unveiled its latest way for people to...
From ACM Opinion
A New Kind of Warfare
Cybersecurity efforts in the United States have largely centered on defending computer networks against attacks by hackers, criminals, and foreign governments,...
From ACM Opinion
Apple Case Muddies the Future of Innovations
Apple's victory on Friday in a patent lawsuit against Samsung could, if upheld, give its rivals a kick in the pants to create more original products.
From ACM Opinion
Giving In to the Surveillance State
In March 2002, John M. Poindexter, a former national security adviser to President Ronald Reagan, sat down with Gen. Michael V. Hayden, the director of the National...
From ACM Opinion
Exploring the Planets Enriches S at Home
NASA's newest marvel, a one-ton rover named Curiosity, has been set down with all the delicacy of a carton of eggs on the surface of Mars.
From ACM Opinion
Trust: Ill-Advised in a Digital Age
Bruce Schneieer ordered a Coke, no ice, at the Rio casino on a Saturday afternoon. I ordered Diet Coke, also no ice, and handed the bartender an American Express...
From ACM Opinion