The cofounder of WhatsApp and the Signal Foundation thinks the use of encrypted communications tools will only increase in the future. “There’s a global education that’s happening,” says Brian Acton, who left WhatsApp in 2018 and now chairs the non-profit foundation, which promotes open-source, end-to-end encryption in messaging. “Back in the ‘90s, we all got the same hoax emails, and we all learned to ignore them.

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