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A security researcher claims to have discovered a way to hide extra information inside emoji.

However, these selectors can be used to store one byte of data each.

Angry emoji

However, it could be used to bypass human moderation, or watermark sensitive documents.

Discussing potential defensive measures, Butler said that AI could be of use.

However, when paired with code interpreters, AI systems have successfully extracted secret messages within seconds.

This suggests that automated detection tools could be developed to counteract potential abuse.

All things considered, this could be seen as an interesting quirk of Unicode.

At this time, its highly unlikely someone could develop a malicious use for it.