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I grew up in a village near Kyiv with no phone. Now 2 billion people use the communication tool I built.
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We both applied to work at Facebook and got rejected. Then we built something Facebook paid $19 billion for.
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I walked away from $850 million in unvested stock because I couldn't watch them put ads in WhatsApp.
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Encryption isn't a feature. It's a right. Every message on WhatsApp is end-to-end encrypted.