Communications of the ACM
Generative AI Degrades Online Communities
How large language models are influencing online communities.
From ACM Opinion
Police Cameras Can Shed Light, but Raise Privacy Concerns
Michael Brown, the unarmed teenager who was shot during an encounter with police in Ferguson, Mo., on Aug. 9, was recorded by a convenience store surveillance camera...
From ACM Opinion
Security Secrets, Dated but Real
Was the National Cryptologic Museum designed using a code of some kind?
From ACM Opinion
Should Facebook Manipulate sers?
Should we worry that technology companies can secretly influence our emotions?
From ACM Opinion
The Tech-Savvy Supreme Court
The two major technology-related decisions handed down by the Supreme Court this week have been widely greeted by people in the tech industry as one win and one...
From ACM Opinion
Ordering Google to Forget
In a ruling that could undermine press freedoms and free speech, the highest court of the European Union said on Tuesday that Google must comply with requests from...
From ACM Opinion
The Peril of Knowledge Everywhere
Thanks to advances in technology, we may soon revisit a question raised four centuries ago: Are there things we should try not to know?
From ACM Opinion
The Future of Internet Freedom
Over the next decade, approximately five billion people will become connected to the Internet.
From ACM Opinion
Waiting For the Black Box
Days after the disappearance of Malaysia Airlines Flight MH370 shortly after midnight on Saturday, investigators considering a range of possible causes—mechanical...
From ACM Opinion
Social Media, a Trove of Clues and Confessions
It seems as if every week there's a news story about someone committing a crime and confessing to it on Facebook, bragging about it on Twitter or sharing photos...
From ACM Opinion
Bitcoin and the Fictions of Money
How should we think about a currency like Bitcoin?
From ACM Opinion
Why Bitcoin Matters
A mysterious new technology emerges, seemingly out of nowhere, but actually the result of two decades of intense research and development by nearly anonymous researchers...
From ACM Opinion
Edward Snowden, Whistle-Blower
Seven months ago, the world began to learn the vast scope of the National Security Agency's reach into the lives of hundreds of millions of people in the United...
From ACM Opinion
The Information-Gathering Paradox
Consumer trust is a vital currency for every big Internet company, which helps to explain why the giants of Silicon Valley have gone to great lengths in recent...
From ACM Opinion
Who Will Prosper in the New World
Self-driving vehicles threaten to send truck drivers to the unemployment office.
From ACM News
In Markets' Tuned-p Machinery, Stubborn Ghosts Remain
A generation ago, when the stock market crashed on Oct. 19, 1987, the Nasdaq stock market appeared to have done much better than the New York Stock Exchange.
From ACM Opinion
A Day in the Life of My Iphone
Each morning at 7 a.m., I am awakened by the sound of a spaceship next to my bed.
From ACM Opinion