Signal president Meredith Whittaker: ‘In technology, it’s way too easy for marketing to replace substance. That’s what’s happened with Telegram’

WhatsApp is just distinct from Signal. They license our technology because our technology is the best, but they only encrypt the contents of messages using our encryption. They collect a huge amount of intimate metadata: your contact list, profile photo, who you’re talking to. Say you were my oncologist — they would have a record of the fact that you and I began talking at a certain point, the frequency of our conversations, who else we might be talking to.

Encryption is only one (but important) piece of the privacy puzzle.

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