I saw this video pop up in my YouTube feed today and decided to check it out. I could see Hallo being useful for realtime coordination of small groups, sort of like a asynchronous walkie-talkie or simply as a way to keep a group of people informed with quick audio notes.
See how it works in this short video from Efren Toscano from TechZulu.com.
You can find more tech info on TechZulu.com
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