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Marketplace All-in-One

Watch Duty dives into flood detection

Marketplace All-in-One

Marketplace

News, Business

4.51.4K Ratings

🗓️ 6 July 2026

⏱️ 11 minutes

🧾️ Download transcript

Summary

During last year’s massive wildfires in Los Angeles, concerned residents and firefighters went to one app to get up to date information: Watch Duty. Now, the app covers all 50 states and recently added flood tracking to its repertoire. Watch Duty’s chief technology officer David Merritt joined Marketplace’s Meghan McCarty Carino to talk about how the app is scaling up.


Transcript

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0:00.0

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0:05.5

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Featuring conversations with leading physicians, researchers, and medical experts,

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the new season examines everything from AI-powered diagnostics and cutting-edge cancer

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therapies to surgical technologies improving patient care today.

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Not sure where to start? Listen to the season premiere featuring MD Anderson Radiation Physicist Dr. Page Taylor and Mayo Clinic

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precision cancer treatment. So go ahead. Follow tomorrow's cure on Apple Podcasts, Spotify, or wherever

1:01.7

you get your podcasts. The Everything app for natural disasters. From American Public Media,

1:10.3

this is Marketplace Tech.

1:11.7

I'm Megan McCarty Carrino.

1:22.1

During last year's massive wildfires in Los Angeles, residents and firefighters turned to one app to get up-to-date

1:30.7

information, watch duty. The nonprofit was started by a small team of software engineers who experienced

1:37.6

wildfires in the Bay Area. They wanted to create a user-friendly resource that brings together

1:43.3

public data from a number of different

1:45.6

sources, weather forecasts, emergency dispatches from different agencies. It all gets mapped in real-time

1:53.3

in the app, which also sends out alerts to users. Since the LA fires, the organization, and the

2:00.2

service has grown considerably. We brought back

...

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