Why does the combined participation flair not update at the same time that Stack Overflow specific flair does? I imagine because the combined would have to perhaps query multiple databases.
Does combined flair update more frequently the less Stack Exchange site you belong to, or is this like a X times a day thing? If so, what are the update frequencies for respective flair types? Or is not a pull, but a push; a change of score triggers it in some manner perhaps?
I have seen this answer btw. I'm looking for more detail though. Also, not complaining, just curious how the system works.