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Joanna Stern

Joanna Stern is a technology journalist and senior tech columnist known for her incisive reporting on consumer technology trends, gadget reviews, and deep dives into the intersection of tech, culture, and innovation. As a prominent voice on The Vergecast, she offers nuanced commentary on emerging technologies, from gaming platforms and AI developments to mobile messaging evolution and hardware trends. Stern's reporting stands out for her ability to contextualize complex technological shifts, whether examining Valve's gaming innovations, predicting future tech landscapes, or tracing the historical significance of platforms like BlackBerry Messenger. Her work consistently bridges technical analysis with broader industry implications, providing listeners with sophisticated insights into how technology is reshaping communication, entertainment, and consumer experiences.

5episodes
2podcasts

Featured On 2 Podcasts

All Appearances

5 episodes
The Journal

Vibe Coding Could Change Everything

The Journal
20 minSenior Personal Technology Columnist, The Wall Street Journal

AI Summary

→ WHAT IT COVERS Anthropic's Claude Code enables vibe coding, allowing users to create websites and apps by describing their vision in plain language without traditional coding knowledge. Wall Street Journal journalists Ben Cohen and Joanna Stern test the tool by building an interactive article, revealing both its transformative potential and current limitations for software development jobs. → KEY INSIGHTS - **Productivity transformation:** Anthropic engineer Boris Cherney now writes zero lines of code manually, using multiple Claude Code agents simultaneously in a practice called multi-clodding. His workflow evolved from 10% AI-generated code a year ago to 50% six months ago to 100% today, effectively managing a team of robot developers while commuting to work. - **80% automation threshold:** Claude Code produces functional code that reaches approximately 80% completion for complex projects. Wall Street Journal computational journalist Brian Whitton identifies critical gaps including outdated practices resembling 1990s code, accessibility failures for screen readers and keyboards, styling conflicts, and multiple bugs requiring human expertise to resolve before publication. - **Workforce displacement reality:** Companies can now execute ambitious projects with one or two engineers instead of five to twenty developers. Entry-level coding positions face elimination as senior developers transition from writing code to managing AI agents. Investors responded by selling off $300 billion in software company shares, fearing existential threats to traditional software business models. - **Democratization speed:** Claude Code launched as an internal tool in September 2024, built by Cherney in just days as a side project. Non-technical Anthropic employees including sales teams immediately adopted the primitive version for meeting summaries and call analysis. The November 2024 update went viral during holiday downtime when Silicon Valley engineers experimented at home. - **Competitive escalation:** Anthropic expanded Claude Code beyond software development to legal contract review, finance functions, and customer service tools. OpenAI released competing updates within days, triggering market panic. CEO Dario Amodei warns that entire careers built over decades may disappear, with insufficient public awareness of the magnitude and speed of this transformation approaching. → NOTABLE MOMENT Boris Cherney, creator of Claude Code, no longer functions as a traditional software developer. He launches multiple AI coding agents each morning before work, assigning them features and bug fixes while he commutes. His role transformed from individual contributor writing code to manager directing robot developers, eliminating the need for junior human programmers entirely. 💼 SPONSORS [{"name": "Tremfya", "url": "tremfyaradio.com"}, {"name": "Indeed", "url": "indeed.com/journal"}, {"name": "Verizon", "url": null}, {"name": "Empower", "url": "empower.com"}] 🏷️ AI Coding Tools, Workforce Automation, Claude Code, Software Development, Job Displacement

AI Summary

→ WHAT IT COVERS BlackBerry Messenger launched in 2005 as the first instant, cross-carrier mobile messaging platform, offering free texting when carriers charged 10 cents per message, creating unprecedented stickiness before ultimately failing to expand beyond BlackBerry devices. → KEY INSIGHTS - **Network Architecture Advantage:** BlackBerry Enterprise Servers centralized processing and traffic handling rather than relying on handsets, enabling instant messaging and read receipts when mobile networks were bandwidth and battery constrained, creating technical superiority competitors couldn't match initially. - **Platform Lock-in Paradox:** BlackBerry had working cross-platform and desktop BBM versions by 2010 but executives refused to release them, believing platform exclusivity would sell devices. This decision proved fatal as WhatsApp and iMessage captured the market by going multi-platform first. - **Messaging Stickiness Dynamics:** Messaging platforms create extreme user lock-in until a critical inflection point occurs, then entire user bases abandon simultaneously rather than gradually. BBM had 60 million users in 2013 but collapsed rapidly as iPhone and Android reached critical mass. - **Feature Innovation Timeline:** BBM launched with group chat, file transfers, read receipts, online/offline status, and mutual authentication in 2005, years before competitors. The D-for-delivered and R-for-read status indicators became defining features users expected from all messaging apps afterward. - **Business Model Impossibility:** Consumer messaging generates no sustainable revenue model, explaining why WhatsApp sold to Facebook and Snapchat struggles financially. BlackBerry's attempt to monetize through BBM Music at five dollars monthly for 50 songs demonstrated fundamental misunderstanding of messaging economics. → NOTABLE MOMENT The 2011 BBM network outage became international news as users worldwide lost access for 36 hours, with one user memorably lamenting his phone stopped popping off like it used to, revealing how deeply BBM addiction had penetrated celebrity and business culture. 💼 SPONSORS [{"name": "Atlassian", "url": "https://atlassian.com/jira"}] 🏷️ Mobile Messaging History, Platform Lock-in Strategy, BlackBerry Technology, Messaging App Economics, Tech Product Failure

AI Summary

→ WHAT IT COVERS The Vergecast hosts conduct their annual 2025 year-end review, evaluating tech predictions, awarding superlatives for biggest successes and failures, and discussing AI developments, gadgets, and policy moves. → KEY QUESTIONS ANSWERED - Which tech predictions from 2024 proved accurate in 2025? - What were the biggest AI successes and failures this year? - Which gadgets and startups defined 2025's tech landscape? - How did policy changes impact the technology industry? → KEY TOPICS DISCUSSED - Google Gemini Breakthrough: Google's AI system emerged as the year's most surprising success, surpassing competitors and forcing OpenAI to declare code red as ChatGPT struggled to match Gemini's capabilities. - AI Agents Disappointment: The promised revolution of AI agents performing complex tasks failed to materialize, with systems remaining slow, unreliable, and requiring extensive human oversight across all platforms. - Tech CEO Political Positioning: Major technology executives gathered at Trump's inauguration, symbolizing the industry's strategic pivot toward the new administration through high-profile meetings and policy accommodations. → NOTABLE MOMENT Pierce reveals he used ChatGPT to negotiate his car purchase, having the AI system craft responses to dealer offers, which he credits with securing a better deal through confident automated bargaining. 💼 SPONSORS [{"name": "Atlassian", "url": "https://atlassian.com/jira"}] 🏷️ AI Development, Tech Predictions, Google Gemini, Policy Changes, Year-End Review

AI Summary

→ WHAT IT COVERS Valve's Steam Machine console and Steam OS demonstrate Linux now runs Windows games better than Windows itself, while Microsoft abandons consumer markets for AI infrastructure. Discussion covers robotics limitations, AI hype versus reality, and streaming service conflicts. → KEY INSIGHTS - **Steam OS Gaming Performance:** Valve's Steam Deck and new Steam Machine run Windows games on Linux with better performance than native Windows in same form factor, using community controller profiles that auto-download optimized button mappings for any game including non-controller titles from 2001. - **Microsoft's Strategic Pivot:** CEO Satya Nadella states Microsoft's future business model targets building application infrastructure for AI agents rather than human end-users, betting models will eventually use computers as well as humans can, fundamentally abandoning consumer-focused software development for enterprise AI infrastructure. - **Robotics Reality Gap:** Neo humanoid robot costs $20,000 but requires remote human operators in VR headsets to perform basic tasks. Loading three dishwasher items takes five minutes with human control. Companies collect this operational data to train future autonomous models, revealing massive gap between robotics promises and current capabilities. - **Steam Machine Hardware Strategy:** Valve's console uses PS5 Pro-equivalent specs in six-inch cube form factor, estimated $800-$1,200 price range. Features wireless controller with dual touchpads, gyroscope aiming, and grip sensors. Plays Windows games through Steam OS translation layer without requiring Windows licensing or interface. - **AI Consumer Deployment Failures:** Google Photos' Gemini-powered search performs worse than standard keyword search, requiring Google to maintain legacy search as fallback option. Smart home assistants from Google, Amazon, and Microsoft fail to reliably execute basic natural language commands across interconnected home device ecosystems. → NOTABLE MOMENT When asked to demonstrate autonomous capabilities, the Neo robot founder admitted it would not perform well without human operators. Even with skilled pilots controlling it remotely, the robot struggled for over a minute to retrieve water from a fridge ten feet away, revealing the enormous gap between robotics marketing and actual functionality. 💼 SPONSORS [{"name": "IBM", "url": null}, {"name": "SC Johnson (Shout)", "url": "shoutitout.com"}, {"name": "Figma", "url": "figma.com/vergecast"}, {"name": "Charles Schwab", "url": "schwab.com"}, {"name": "LinkedIn", "url": "linkedin.com/track"}, {"name": "Zapier", "url": "zapier.com/verge"}, {"name": "1Password", "url": "1password.com/vergecast"}, {"name": "Framer", "url": "framework.com/design"}, {"name": "Oracle Cloud Infrastructure", "url": "oracle.com/vox"}, {"name": "Amazon", "url": null}] 🏷️ Steam OS, Console Gaming, AI Infrastructure, Humanoid Robotics, Microsoft Strategy, Streaming Services

AI Summary

→ WHAT IT COVERS The Vergecast hosts make predictions for 2026 across tech industry developments, evaluating their failed 2025 forecasts while offering mild, medium, and spicy takes on Apple, OpenAI, autonomous vehicles, and AI platform evolution. → KEY INSIGHTS - **Apple foldable device:** Apple releases a foldable phone priced between $1,799-$1,999 in 2026, positioned as an early adopter product rather than mainstream hit, with media backlash focused on pricing despite limited production volumes similar to Vision Pro strategy. - **Waymo safety incident:** Autonomous vehicle services face a critical moment when a serious accident or fatality occurs due to expanded fleet deployment across multiple cities, triggering intense public debate between safety advocates citing superior statistical data and critics demanding regulatory intervention. - **OpenAI viability crisis:** OpenAI faces potential collapse due to lack of coherent product strategy, inability to scale large language models toward AGI as promised, executive turnover, and unsustainable economics where each query costs money while user engagement declines with guardrail implementations. - **AI content filtering:** Social platforms implement mandatory labeling and filtering systems for AI-generated content as creator backlash and audience fatigue intensify, with platforms detecting metadata to allow users to opt out of algorithmically-generated slop flooding feeds. → NOTABLE MOMENT The panel reveals that nobody, including Microsoft and OpenAI executives, has identified who will serve on the expert panel tasked with declaring when artificial general intelligence is achieved, despite this being a contractual requirement with significant financial implications. 💼 SPONSORS [{"name": "Atlassian", "url": "https://atlassian.com/jira"}] 🏷️ Tech Predictions 2026, OpenAI Future, Autonomous Vehicles, Apple Product Strategy

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