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Snapchat is launching Snap Pixel, a feature that will allow advertisers to drop pixels (the code that tracks people when they engage with an ad) on ads so they can better determine how those ads lead to sales or other marketing goals on and off Snapchat's platform.

By the end of the year, the feature will also allow marketers to create custom audiences based on the actions they can track, similar to the capabilities offered by Google, Facebook, Instagram, etc. (For example, you could create a custom list of people to target that have bought something after being exposed to a certain ad.)

Why it matters: It's big win for performance marketers who need to track and measure how ads on Snapchat lead to direct responses — like completing an online sale — when they travel with consumers online. It will also allow Snapchat to compete with bigger tech companies for performance marketing campaigns.

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Dion Rabouin, author of Markets
8 mins ago - Economy & Business

The tech war between the U.S. and China escalates

Illustration: Aïda Amer/Axios

Economic tension between the U.S. and China continues to escalate but is shifting in focus — away from the tit-for-tat trade war and toward a more direct confrontation over the future of technology at the heart of the conflict between the world's two largest economies.

Why it matters: The battle between the U.S. and China was always about tech supremacy and the direct confrontation could result in an accelerated splintering of global supply chains and a significant reduction of international commerce.

Mike Allen, author of AM
Updated 21 mins ago - Politics & Policy

Trump's next moves in Supreme Court fight

Photo: Peter Zay/Anadolu Agency via Getty Images

President Trump told "Fox & Friends" on Monday that he plans to announce his pick to replace Justice Ruth Bader Ginsburg on the Supreme Court on Friday or Saturday.

The state of play: Axios has heard that Trump's choices to succeed Justice Ruth Bader Ginsburg are down to two women, both federal appeals court judges. The frontrunners are Amy Coney Barrett of Chicago, the early favorite, and Barbara Lagoa, who is viewed as easier to confirm. The Senate confirmed Lagoa 80-15 last year, so many Democrats have already voted for her.

CDC updates guidance to say coronavirus can be spread through the air

CDC Director Robert Redfield. Photo: Anna Moneymaker/Pool/Getty Images

The CDC updated its guidance on Friday to acknowledge that the coronavirus can be transmitted through the air at distances farther than six feet and through "droplets or small particles, such as those in aerosols" like coughs or sneezes.

Why it matters: The update — which was little noticed until a CNN story was published Sunday — comes months after scientists pushed for the agency to acknowledge the disease was transmissible through the air. The CDC previously said that close person-to-person contact was the bigger concern.