The Michael Trudeau blog at rhap is a masterclass in reading the edit.

Definitely Amazon from that list.

Was she at the top of that alliance, though? I can imagine Spencer forming deals with the beauties, and Sarah and Morgan seemed pretty tight, from the Ponderosa video. Maybe Kass really was at the bottom of the 6.

Can you share any other anachronisms?

Into every generation a slayer is born: one girl in all the world, a
chosen one. She alone will wield the strength and skill to fight the vampires, demons and the forces of darkness; to stop the spread of their evil and the swell of their number. She is the Slayer