Opus 4.7은 진짜 Kelsey를 안다

The high-precision authorship identification capability of Claude Opus 4.7 signals a significant shift where linguistic patterns become uniquely identifiable fingerprints, effectively ending online anonymity for prolific writers. This evolution in stylometry suggests that AI can bypass intentional anonymity through subtle stylistic 'ticks,' posing new privacy challenges for individuals interacting with large language models.