Synopsis
Marketplace Tech host Molly Wood helps listeners understand the business behind the technology that's rewiring our lives. From how tech is changing the nature of work to the unknowns of venture capital to the economics of outer space, this weekday show breaks ideas, telling the stories of modern life through our digital economy. Marketplace Tech is part of the Marketplace portfolio of public radio programs broadcasting nationwide, which additionally includes Marketplace, Marketplace Morning Report and Marketplace Weekend. Listen every weekday on-air or online anytime at marketplace.org. From American Public Media. Twitter: @MarketplaceTech
Episodes
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Bytes: Week in Review - SpaceX and xAI merge, Nvidia and OpenAI's funding relationship and U.S. TikTok's rough start
06/02/2026 Duration: 10minOn this week’s “Marketplace Tech Bytes: Week in Review,” we take a look at Nvidia's changing investment relationship with OpenAI. Plus, a stormy start for the new U.S. version of TikTok. But first, SpaceX, one of the world’s largest rocket companies, announced this week that it’s buying xAI, a two-and-half-year-old artificial intelligence startup. Both companies are controlled by Elon Musk. The new company is reportedly valued at $1.25 trillion. It means the chatbot Grok, the satellite internet company Starlink, and the social media firm X are all going to co-exist under the same rocket hangar. Marketplace’s Stephanie Hughes spoke with Paresh Dave, senior writer at Wired, about what adding these companies together equals.
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Is social media addictive? And are social media companies liable?
05/02/2026 Duration: 07minA landmark lawsuit that accuses social media companies of intentionally designing their platforms to be addictive — and causing harm to children and teenagers' mental health — is in court this week in Los Angeles.The defendants in this case are Meta and YouTube, both of which dispute the allegations. Snap and TikTok both settled in advance of the trial.Some are calling this social media's "Big Tobacco" moment. Eric Goldman, co-director of the High Tech Law Institute at Santa Clara University, discusses this as well as a series of lawsuits against the social media giants.
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What AI fitness apps can and can't do — for now
04/02/2026 Duration: 07minYou can get a pretty good workout plan from a chatbot, but the tech is also being incorporated into all kinds of existing fitness apps, from Apple's Workout Buddy, which motivates you through earbuds, to the Fitbit AI health coach, to Peloton's AI-enabled camera that tracks your form.Nicole Nguyen, personal tech columnist at The Wall Street Journal, gave some of the most popular ones a spin. She spoke with “Marketplace Tech” host Meghan McCarty Carino about her experience.
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Making AI work — for work
03/02/2026 Duration: 08minIn his new book, Wall Street Journal tech columnist Christopher Mims offers a guide for getting the most out of the technology. He's compiled two dozen "Laws of AI" to shed light on the best ways to use these generative tools.Yesterday we talked about how individuals can improve their productivity with AI, and today we're digging into how organizations can use — or sometimes misuse — it.
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Making the most of AI, without the hype
02/02/2026 Duration: 09minWith all the fanfare surrounding AI these days — the utopian dreams and dystopian nightmares — it can be hard to see the technology as simply a tool that anyone can use to improve their lives.That's what tech columnist Christopher Mims at the Wall Street Journal focuses on his new book "How to AI: Cut Through the Hype. Master the Basics. Transform Your Work.” In it, he outlines two dozen “AI Laws” for how consumers and organizations should think about AI.First up: AI is an assistant, not a replacement.
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Bytes: Week in Review – Are we in an AI bubble?
30/01/2026 Duration: 12minIs AI a bubble? It's the trillion-dollar question in the economy. So Marketplace’s Meghan McCarty Carino decided to look to history for some answers in this week’s special episode of “Tech Bytes: Week in Review.” McCarty Carino spoke with David A. Kirsch, a historian and management professor at the University of Maryland. He’s also co-author of the book "Bubbles and Crashes: The Boom and Bust of Technological Innovation." He and Brent Goldfarb looked at patterns over 150 years of technological breakthroughs, from broadcast radio to rayon and came up with a model of the conditions that most often lead to bubbles.
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A recycling startup joins the AI boom
29/01/2026 Duration: 03minMarketplace’s Meghan McCarty Carino takes a tour of Redwood Material’s new R&D Lab with CTO Colin Campbell. Redwood, an EV battery recycling startup, is now offering off-grid, renewable energy grids to AI data centers and it’s looking to scale up its operations in this AI boom.
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Infrastructure lessons from the dot-com bubble
28/01/2026 Duration: 04minMarketplace’s Meghan McCarty Carino speaks with Paul Vixie, vice president at AWS Security and an early internet innovator, about the rapid buildout of fiber optic networks during the dot-com boom, and what happened when the bubble burst.
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A historic home tour of the virtual world
27/01/2026 Duration: 04min529 Bryant St. in Palo Alto, California, is home to a key landmark in tech history. Now owned and operated as a data center by Equinix, the building has been a networking hub to a variety of firms, including the earliest telephone switch board operators and early internet firms like Alta Vista. Marketplace’s Meghan McCarty Carino visited the data center to learn more.
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Raising the “speed limit” on AI’s “information highway”
26/01/2026 Duration: 05minBillions of dollars has been poured into the AI economy in recent years. As part of a new series about what the AI economy means for you, Marketplace Tech is looking at the infrastructure build-out behind the AI boom, starting with a visit to an Amazon Web Service lab in Cupertino, California, where AWS developers are squeezing as much networking efficiency out of their servers as possible for their AI ambitions.
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Bytes: Week in Review - SpaceX eyes an IPO, community members want legal commitments from Micron, and YouTube to ditch AI slop
23/01/2026 Duration: 12minA Micron memory chip factory in upstate New York is wrangling with local groups who want legal assurances the project will benefit the local community. Plus, YouTube plans to crack down on AI slop.But first, it's shaping up to be a big year for very big initial public offerings. Elon Musk is reportedly preparing to take SpaceX public at an anticipated valuation of around $1.5 trillion. AI companies Anthropic and OpenAI are also expected to follow suit this year.Marketplace’s Meghan McCarty Carino spoke with Paresh Dave, senior writer at Wired, to discuss all these topics on this week’s “Marketplace Tech Bytes: Week in Review.”
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Unraveling the complex knot of an AI-generated hoax
22/01/2026 Duration: 08minIn the era of AI, sometimes a story is really just too good to be true, even if the initial evidence suggests otherwise.And as artificially engineered content becomes mainstream, journalists need to go the extra mile to verify a story’s authenticity.Casey Newton from Platformer spoke with “Marketplace Tech” host Meghan McCarty Carino about his recent wild goose chase that ended in an AI hoax.
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Welcome to the 'infocalypse'
21/01/2026 Duration: 07minInformation Apocalypse Now.AI content is flooding social feeds and its getting increasingly hard to determine what is real versus what is fake. Aviv Ovadya, founder and CEO of the AI and Democracy Foundation, has been warning of this apocalypse for a decade now. “Marketplace Tech” host Meghan McCarty Carino spoke with Ovadya about the state of our information ecosystem and protecting our institutions.
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How "surveillance pricing" charges one online customer more than another for the same item
20/01/2026 Duration: 03minConsumers have heard of “dynamic pricing,” when the prices are based on demand within a single moment. But whether they know it or not, they’re also contending with “surveillance pricing,” where companies use personalized consumer data to serve up personalized prices. Marketplace's Kristin Schwab reports.
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The 'biohacking' trend that has tech workers experimenting on themselves
19/01/2026 Duration: 08minIn an industry known for pushing the bounds of human innovation, tech elites are now trying to push the bounds of their own bodies. The hot new biohacking trend is injectable peptides — similar to the ones found in GLP-1 medications like Ozempic. But these are not approved by the Food and Drug Administration.These gray-market peptides, largely from Chinese manufacturers, are being used by tech workers and founders. Not just to lose weight, but to optimize their health and performance in all manner of ways. “Marketplace Tech” host Meghan McCarty Carino speaks with independent journalist Jasmine Sun, who recently wrote about this for the New York Times.
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Bytes: Week in Review – New chip exports for China, Microsoft to pay electricity for AI data centers, and Gemini will power Apple’s AI
16/01/2026 Duration: 11minThose massive AI data centers going in across the country can use as much energy as an entire city. President Trump said this week he wants tech companies to "pay their own way," and touted a new Microsoft pledge to bear the full cost of their AI energy needs.Plus, Apple announces its long awaited new AI Siri will be powered by Google.But first, Nvidia can once again export its second best H200 chips to China if it follows some new security rules and pays the U.S. government 25% of its sales. Marketplace’s Meghan McCarty Carino spoke with Anita Ramaswamy, columnist at The Information, to discuss all these topics on this week’s “Marketplace Tech Bytes: Week in Review.”
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Teaching students to 'be better than a robot'
15/01/2026 Duration: 04minWhen it comes to AI, educators biggest worry: cheating.With the click of a button, students can form papers, generate test answers or even finish their homework. Leading educators to address its use directly and the expectations for their students.But Kristi Girdharry, director of the writing center and associate professor at Babson College, has gone a step further. She’s actively integrating AI into her coursework. All in the hopes that her students learn to outwork their robot counterparts.“I have a mantra going with my students now,” said Girdharry. “I always say, ‘you have to be better than a robot.’”
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This Swiss city wants to become the bitcoin capital of Europe
14/01/2026 Duration: 05minThe pretty Swiss lakeside town of Lugano has set out to become Europe’s bitcoin capital, with the aim of attracting bitcoin companies and the cryptocurrency itself to the city. In Lugano, you can still pay for everything in Swiss francs, but in hundreds of shops and restaurants you can also pay in bitcoin. The city has even started accepting it for municipal services. The BBC’s John Laurenson went to check it out.
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AI is eating up the world's computing memory
13/01/2026 Duration: 07minMuch like graphics processing units, high bandwidth memory is essential for training and running AI. It's paired with all those NVIDIA chips that have been selling like hotcakes and only a small handful companies in the world make it. Now the surge in demand from data centers has created a global shortage for everything else — the PCs and smartphones and other consumer electronics that also use memory chips. Marketplace’s Meghan McCarty Carino spoke with Tom Mainelli, vice president of device and consumer research at IDC, about how long this shortage could last.
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Building a home with future fires in mind
12/01/2026 Duration: 08minOn Jan. 7, 2025, the Eaton and Palisades Fires began, killing 31 people and destroying around 13,00 homes in the Los Angeles area. A year later, residents are looking to rebuild the lives and homes they once had. Marketplace’s David Branccacio and his wife lost their Altadena home to the Eaton fire, and have yet to break ground on a new building. But as they continue to plan for construction in the new year, they are focusing on fire-resistance for the future.Branccacio joined “Marketplace Tech” host Meghan McCarty Carino to speak about the technology and building that goes into fire-resistant homes.