WhatsApp Channels: 5 things to know about the new tool 

Channels are a private way to receive important updates directly from people and organizations.  

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Meta's goal is to make Channels the most private broadcast service in the world. 

Each Channel's history will be on the servers for 30 days. 

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It will also provide a way to make updates deleted from followers' devices more quickly. 

Channels are not end-to-end encrypted by default