Note that almost anything can form uniquely identifying information, so technically, it's not easy to fully exempt yourself from GDPR.
Not that anyone would care about minor unwitting infractions. So far, enforcement is way on the other side of spectrum, it's hard to get yourself in trouble even when blatantly and purposefully breaking GDPR.
Not that anyone would care about minor unwitting infractions. So far, enforcement is way on the other side of spectrum, it's hard to get yourself in trouble even when blatantly and purposefully breaking GDPR.