Several AI applications can be seen on a smartphone screen, including ChatGPT, Claude, Gemini, Perplexity, Microsoft Copilot, Meta AI, Grok, and DeepSeek. | Philip Dulian/picture alliance via Getty Images
For more than four decades, technological progress has been undermining expert authority, democratizing public debate, and steering individuals toward ever-more bespoke conceptions of reality.
In the mid-20th century, the high costs of television production — and physical limitations of the broadcast spectrum — tightly capped the number of networks. ABC, NBC, and CBS collectively ow...
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