Adding a new collective component to any occasion, the LIVE 5000 lets multiple users manage a queue of music and decide what's playing now, what's playing next and add media to playlists from their control devices, while everyone can see the information about the play queue.
So I'm skeptical of estimates more than a millennium back in time until we have multiple proxies we can trust at that timescale, and can verify somehow the DC component of the estimates, or at least replicate them.
Earlier this week, multiple reports surfaced in the media claiming that Apple has cut back its LCD screen and other iPhone component orders due to weak demand.