Software Privacy Day: Use Delta Chat, an open source chat tool: 
It’s Software Privacy Day again, the day meant to encourage users everywhere to spare a thought about where their data actually goes when it’s posted on, over, or through the Internet. One of the cottage industries around Internet communication that seems to ebb and flow in popularity is the venerable chat application. People use chat applications for all manner of conversations, and most people don’t think about what bots are recording and monitoring what’s being said, whether it’s to effectively target ads or just to build a profile for future use.
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