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Why you might not want to use whatsapp anymore
(www.slashgear.com)
This is a most excellent place for technology news and articles.
Despite all of its privacy concerns, one can't really get rid of it if everyone around is using it as the default communication mode, unless you're a social outcast. The thing with communication apps is that they aren't a personal choice.
It is possible without beeing a social outcast. Element, Signal, Telegram and Threema cover most of my contacts. If there really is someone with only Whatsapp, I write a SMS.
In my experience everyone has at least one alternative to Whatsapp.