On Tech: Silicon Valley’s man in the White House is benefiting himself and his friends
Plus, college students flock to a new major: A.I.
On Tech
December 4, 2025

Here are some tech stories you don’t want to miss.

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A photo-illustration showing different images of David Sacks, including him sitting next to President Trump, as well as a semiconductor chip and stationery that says “Special Adviser for A.I and Crypto.”

Mark Harris

Silicon Valley’s man in the White House is benefiting himself and his friends.

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Rune Fisker

College students flock to a new major: A.I.

Two protestors in cloaks, with their hoods over their heads, raise their firsts under a giant hanging globe at the COP30 conference.

Andre Penner/Associated Press

Many fighting climate change worry they are losing the information war.

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Silicon Valley builds Amazon and Gmail copycats to train A.I. agents.

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The New York Times

Those sky-high Bitcoin prices everyone said were here to stay? They left.

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SAN FRANCISCO, CA - SEPTEMBER 19: Google's Senior VP of Engineering John Giannandrea speaks onstage during TechCrunch Disrupt SF 2017 at Pier 48 on September 19, 2017 in San Francisco, California. (Photo by Steve Jennings/Getty Images for TechCrunch)

Apple’s A.I. chief, who failed to deliver a smarter Siri, is retiring.

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