Facebook is doing research in AI & #endtoend encrypted messages, to analyze & target ads on them.
How an AI can determine you are trying to buy designer shoes, but your private discussion about health or politics won't leak?
We have no clue either.
@nextcloud If I had to guess, they'll have some kind of zkp that does text processing on device to prove to the Facebook servers that a given ciphertext includes a message about a given topic without revealing the keys or plaintext.
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