Communications of the ACM
Generative AI Degrades Online Communities
How large language models are influencing online communities.
From ACM Opinion
A Brand-New Version of Our Origin Story
For over a decade, National Geographic's Genographic Project has been collecting saliva samples from willing participants, analyzing small pieces of their mother's...
From ACM Opinion
'2001: A Space Odyssey': What It Means, and How It Was Made
Fifty years ago this spring, Stanley Kubrick's confounding sci-fi masterpiece, "2001: A Space Odyssey," had its premières across the country.
From ACM Opinion
If (Virtual) Reality Feels Almost Right, It's Exactly Wrong
We can all remember the crisply beveled edges of our cheery-yellow No. 2 pencil, the cool, smooth feel of a chalk-powdered blackboard, the gritty red bricks of...
From ACM Opinion
Why Silicon Valley Shouldn't Work With the Pentagon
Is Silicon Valley going to war?
From ACM Opinion
Here's How Hackers Could Cause Chaos in This Year's S Midterm Elections
On November 6, Americans will head to the polls to vote in the congressional midterm elections. In the months before the contest, hordes of foreign hackers will...
From ACM Opinion
The White House Loses Its Cybersecurity Brain Trust
Today, the White House confirmed that cybersecurity coordinator Rob Joyce will head back to the National Security Agency, where he previously ran the nation's top...
From ACM Opinion
The Era of Fake Video Begins
In a dank corner of the internet, it is possible to find actresses from Game of Thrones or Harry Potter engaged in all manner of sex acts. Or at least to the world...
From ACM Opinion
How Mark Zuckerberg Protects His Own Privacy Online
Facebook CEO Mark Zuckerberg held a rare conference call with reporters on Wednesday as part of the company's newfound spirit of openness with the media in the...
From ACM Opinion
What '2001' Got Right
It's a testament to the lasting influence of Stanley Kubrick and Arthur C. Clarke's film "2001: A Space Odyssey," which turns 50 this week, that the disc-shaped...
From ACM Opinion
The Ageless Appeal of 2001: A Space Odyssey
In 1968, film-maker Stanley Kubrick and his screenwriting colleague, science-fiction author Arthur C. Clarke, presented 2001: A Space Odyssey. Half a century later...
From ACM Opinion
It's Not My Fault, My Brain Implant Made Me Do It
Mr. B loves Johnny Cash, except when he doesn't. Mr. X has watched his doctors morph into Italian chefs right before his eyes.
From ACM Opinion
Enough With the Trolley Problem
You know the drill by now: A runaway trolley is careening down a track. There are five workers ahead, sure to be killed if the trolley reaches them.
From ACM Opinion
How Cambridge Analytica's Facebook Targeting Model Really Worked, According to the Person Who Built It
The researcher whose work is at the center of the Facebook-Cambridge Analytica data analysis and political advertising uproar has revealed that his method worked...
From ACM Opinion
The Next Cold War Is Here, and It's All About Data
The headlines about the trade wars being touched off by President Trump's new tariffs may telegraph plenty of bombast and shots fired, but the most consequential...
From ACM Opinion
Someone Is Watching You
Isn't technology wonderful? At Purdue University, the same IT infrastructure that enables us to manage student assignments and grades, operate residential and dining...
From ACM Opinion
Ready Player One: We Are Surprisingly Close to Realizing Just Such a VR Dystopia
I was fortunate enough to catch a preview screening of Ready Player One, Steven Spielberg's adaptation of Ernest Cline's futuristic novel.
From ACM Opinion
To Illustrate the Dangers of Cyberwarfare, the Army Is Turning to Sci-Fi
At first glance, Dark Hammer looks a lot like any other science fiction comic book: On the front cover, a drone flies over a river dividing a city with damaged...
From ACM Opinion
Enough About Cryptocurrency. Let's Talk About Virtual Cats
We spend way too much time talking about digital currencies and not nearly enough time on digital cats.
From ACM Opinion
The FCC Should se Blockchain to Manage Wireless Spectrum
The technology at the heart of cryptocurrencies like bitcoin—blockchain—has captured the world's attention, much as the internet, peer-to-peer file transfers, apps...
From ACM Opinion