Knowledge Work and the Fourth Sector

A bright nineteen fifties office hall with long rows of empty wooden desks, black typewriters and telephones by tall windows
In 1958, almost 29% of the US economy went into producing knowledge. From Drucker’s knowledge worker (1959) to Machlup’s count and Porat’s four-sector clock: how a fourth sector took the lead, and why today’s AI is aimed straight at it. Work After Work, Episode 8.
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Chrome’s Eighth Zero-Day of 2026: Attackers Already Use an XML Bug. Here Is the Version You Need

A laptop on a dark desk at night, its screen glowing in cobalt and turquoise, seen through a pane of glass with a thin crack running across it; a small orange light glows in the background
Google has patched CVE-2026-125350, a use-after-free bug in Chrome’s XML component that attackers are already exploiting. It is the eighth Chrome zero-day of 2026. Which version you need on Windows, Mac, Linux and Android, how to check it, where Edge, Brave and Vivaldi stand, what companies should do, and what is still unknown.
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China’s Trade Surplus Passes $1 Trillion Again. The AI Boom Is Doing the Heavy Lifting

A container port at night: rows of plain shipping containers under gantry cranes and, in the foreground, a pallet of server units wrapped in clear plastic with small blue status lights, reflected on wet asphalt
China’s goods trade surplus reached $1,042.6 billion in the first ten months of 2026, a month earlier than last year. Official customs data shows chips, computers and servers driving exports, while China’s own chip imports and deficits with South Korea and Taiwan grow too. Who earns from the AI hardware boom, where the tariff risk sits, and what it means for businesses and users.
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