Communications of the ACM
Generative AI Degrades Online Communities
How large language models are influencing online communities.
From ACM Opinion
Looking Through the Eyes of China's Surveillance State
They perch on poles and glare from streetlamps. Some hang barely visible in the ceiling of the subway, and others seem to stretch out on braced necks and peer into...
From ACM Opinion
Trump-Putin Summit Mystery: What About Snowden?
As President Donald Trump prepares to meet Vladimir Putin on Monday, lawmakers from both parties want him to demand that the Russian president hand over 12 hackers...
From ACM Opinion
Alexa: Don't Let My 2-Year-Old Talk to You That Way
Parents, your child may have a new secret friend: your smart speaker.
From ACM Opinion
We Have Reached Peak Screen. Now Revolution Is in the Air.
Smartphones were once the best thing to happen to the tech industry—and for a while, it seemed, to all of us, too.
From ACM Opinion
A Landmark Legal Shift Opens Pandora's Box for DIY Guns
Five years ago, 25-year-old radical libertarian Cody Wilson stood on a remote central Texas gun range and pulled the trigger on the world's first fully 3-D-printed...
From ACM Opinion
The S May Have Just Pulled Even with China in the Race to Build Supercomputing's Next Big Thing
There was much celebrating in America last month when the US Department of Energy unveiled Summit, the world's fastest supercomputer. Now the race is on to achieve...
From ACM Opinion
What Was on a SB Fan Given at the Trump-Kim Summit? Security Experts Say Nothing, but Don't Plug It In.
When journalists arrived in Singapore for the historic summit between President Trump and North Korean leader Kim Jong Un last month, security experts were alarmed...
From ACM Opinion
How We Proved Einstein Right on a Galactic Scale, and What It Means for Dark Energy and Dark Matter
Gravity may be the weakest of the fundamental forces in nature, but it is ultimately what enabled life on Earth to evolve.
From ACM Opinion
Article 13: Europe's Hotly Debated Revamp of Copyright Law, Explained
First they came for the privacy violations, then they came for the memes.
From ACM Opinion
Why Made in China 2025 Will Succeed, Despite Trump
China will succeed in building a powerful technology industry that will rival the United States, even if President Trump starts a trade war to stop it.
From ACM Opinion
Why Are There So Many Robocalls? Here's What You Can Do About Them
Remember when phone calls meant people wanted to talk to you about something other than lowering your interest rates?
From ACM Opinion
What the Supreme Court Vacancy Means for the Internet
The retirement of Justice Anthony M. Kennedy from the Supreme Court might change the game for environmental protections, abortion rights and civil rights. But what...
From ACM Opinion
Whoa! Meet the Future Phones that Fold p, Have 9 Cameras and Charge Over Thin Air.
Your next smartphone might just throw you a curve.
From ACM Opinion
Anthony Kennedy's Retirement May Have Huge Consequences for Privacy
Justice Anthony Kennedy, the current Supreme Court's longest-serving member, announced his retirement Wednesday, paving the way for Trump to shape the future America's...
From ACM Opinion
Disrupting Pro-ISIS Online 'Ecosystems' Could Help Thwart Real-World Terrorism
Supporters of the Islamic State, or ISIS, around the world gather online, becoming members of virtual communities in much the same way any of us might join online...
From ACM Opinion
Video Refereeing a Boon and a Bust at World Cup
As must have been the case with the first glimmers of electric lights in the 19th century, video assistant referees benefited from an initial "Wow! The technology...
From ACM Opinion
This Is How the Robot Uprising Finally Begins
The robot arm is performing a peculiar kind of Sisyphean task.
From ACM Opinion
The .S. Once Again Has the World's Fastest Supercomputer. Keep p the Hustle.
The United States has knocked China out of the No. 1 position in supercomputing.
From ACM Opinion
The Supreme Court Just Struck a Blow Against Mass Surveillance
The Supreme Court decided Friday that cell-site location information is protected by the Fourth Amendment's guarantee against unreasonable searches and seizures...
From ACM Opinion