WSJ Tech News Briefing

Plus: Congress weighs crackdown on mortgage lenders’ spam calls. And, Brookfield strikes deal to buy internet-service provider Hotwire. Victoria Craig hosts.

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X launched a strong-arm campaign against advertisers to revive its ad-sales business. WSJ advertising editor Suzanne Vranica tells us about the unusual tactic. Plus, the "unsubscribe" button at the bottom of marketing emails may be an easy way to opt out. But writer Heidi Mitchell will tell you why you shouldn’t be so quick to click.



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Plus: BioNTech to buy CureVac to develop cancer treatments. And JetZero says it will start building its futuristic planes for commercial use. Victoria Craig hosts.

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Two-year old French startup Mistral wants to show that European AI can compete with American and Chinese companies that dominate the industry. WSJ tech reporter Sam Schechner reports from the Viva Technology conference in Paris. Plus, the United Nations estimates half of all people on Earth experience severe water scarcity at least one month of the year. WSJ tech columnist Christopher Mims tells us about a 1960s-era technology that might hold a key to easing that problem.



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Plus: China puts limits on rare-earths export licenses. And Switch 2 becomes Nintendo’s fastest-selling console. Victoria Craig hosts.

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