Everyone was obsessed with the new white whale of the AI world this week. We’ll get into it on today’s “Marketplace Tech Bytes: Week in Review.” Plus, Trump floats tariffs on semiconductors from overseas. And a bipartisan Senate bill to ban kids from social media is getting another look. But first, back to that DeepSeek drama. The Chinese AI company took the world and the markets by storm with claims that its class-leading large language model was built at a fraction of the cost of Silicon Valley rivals. DeepSeek claims it spent only $6 million on compute power — at least 16 times less than leading U.S. companies. Marketplace’s Meghan McCarty Carino spoke with Paresh Dave, senior writer at Wired, about all these topics for this week’s Tech Bytes.