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Facebook turns over mother and daughter’s chat history to police resulting in abortion charges
(www.theverge.com)
This is a most excellent place for technology news and articles.
That's the fun part, you don't have to be a pioneer. There are plenty of well tested and recommended apps that offer E2EE and aren't under the control of Meta. Post in your family chat telling why the current app is no longer acceptable for use and drop a link to your preferred secure app.