When the computer scientist Ben Zhao learned that artists were having their work stolen by A.I. models, he invented a tool to thwart the machines. He also knows how to foil an eavesdropping Alexa and how to guard your online footprint. The big news, he says, is that the A.I. bubble is bursting.   SOURCES:Erik Brynjolfsson, professor of economics at Stanford UniversityBen Zhao, professor of computer science at the University of Chicago  RESOURCES:"The AI lab waging a guerrilla war over exploitative AI," by Melissa Heikkilä (MIT Technology Review, 2024)"Glaze: Protecting Artists from Style Mimicry by Text-to-Image Models," by Shawn Shan, Jenna Cryan, Emily Wenger, Haitao Zheng, Rana Hanocka, and Ben Y. Zhao (Cornell University, 2023)"Nightshade: Prompt-Specific Poisoning Attacks on Text-to-Image Generative Models," by Shawn Shan, Wenxin Ding, Josephine Passananti, Stanley Wu, Haitao Zheng, and Ben Y. Zhao (Cornell University, 2023)"A Brief History of Artificial Intelligence: What It Is, Where We Are, and Where We Are Going," by Michael Woodridge (2021)  EXTRAS:"Nuclear Power Isn’t Perfect. Is It Good Enough?" by Freakonomics Radio (2022)

Their trade organization just lost a huge lawsuit. Their infamous commission model is under attack. And there are way too many of them. If they go the way of travel agents, will we miss them when they’re gone?   SOURCES:Sonia Gilbukh, assistant professor of real estate at CUNY Baruch College.Kevin Sears, 2025 president of the National Association of Realtors.Chad Syverson, professor of economics at the University of Chicago.Lawrence Yun, chief economist for the National Association of Realtors.  RESOURCES:"Heterogeneous Real Estate Agents and the Housing Cycle," by Sonia Gilbukh and Paul Goldsmith-Pinkham (NBER Working Paper, 2024)."Real Estate Commissions and Homebuying," by Borys Grochulski and Zhu Wang (Federal Reserve Bank of Richmond Working Paper, 2024)."The Relationship Between Home Prices and Real Estate Commission Rates: Implications for Consumers and Public Policy," by Stephen Brobeck (Consumer Federation of America, 2022)."The Relationship of Residential Real Estate Commission Rate to Industry Structure and Culture," by Stephen Brobeck (Consumer Federation of America, 2021)."Competition in the Real Estate Brokerage Industry: A Critical Review," by Panle Jia Barwick and Maisy Wong (Economic Studies at Brookings, 2019)."Hidden Real Estate Commissions: Consumer Costs and Improved Transparency," by Stephen Brobeck (Consumer Federation of America, 2019)."Market Distortions when Agents are Better Informed: The Value of Information in Real Estate Transactions," by Steven D. Levitt and Chad Syverson (NBER Working Paper, 2005).The Residential Real Estate Brokerage Industry, staff report by the Los Angeles Regional Office of the Federal Trade Commission (1983).