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Jonathan Haidt is a New York University professor and the author of "The Anxious Generation."Roy Rochlin/Getty ImagesThe Chinese equivalent of TikTok is less harmful to young users than TikTok, Jonathan Haidt said. The author of "The Anxious Generation" spoke to Business Insider at the World Economic Forum in Davos. He compared letting TikTok operate in the US to letting the Soviet Union own US media during the Cold War.

Russian President Vladimir Putin. Contributor/ Getty ImagesPutin is repeating a Soviet-era mistake, which is ruining Russia's economy, Poland's foreign minister said. Speaking at Davos, Radoslaw Sikorski said Putin was overspending on the military and bankrupting Russia."He was very insistent that this mistake should not be repeated. And he's doing exactly that," he said.

NATO Secretary General Mark Rutte speaks at Davos, Switzerland, in January 2025. Anadolu/Anadolu via Getty ImagesNATO Secretary General Mark Rutte said the alliance makes new weapons too slowly. He said Western militaries had focused too much on very high standards that hampered progress."Speed is of the essence, not perfection," Rutte told an event at Davos.

Trump shortly after signing several initial executive orders on Monday. Melina Mara/Pool/AFP via Getty ImagesThis excerpt originally appeared in the Business Insider Today newsletter. You can sign up for Business Insider's daily newsletter here. President Donald Trump appears to have shaken up the federal workforce in his first 48 hours.

The author's kids (not pictured) know that they are being tracked through their phone. Catherine Delahaye/Getty ImagesI grew up in the '90s and didn't have a cellphone for my parents to track where I was. Now I'm the mom of two teenagers and I track their location on their phone.

A Qatar Airways Boeing 777, like the one pictured above, reached a top ground speed of 833 mph. Nicolas Economou/SOPA Images/LightRocket/GettyOn Wednesday, at least two transatlantic flights reached top ground speeds above 800 mph. They were still technically subsonic because they were propelled by a faster-than-usual jet stream. Recent cold weather strengthened the jet stream, and the climate crisis is set to exacerbate this.