Figure 26.5: The screen-then-detail cascade, with band widths standing in for volume
Figure 26.5 The screen-then-detail cascade, with band widths standing in for volume.
A cheap screen clears the unmistakable bulk on a wide path, and only the uncertain
minority (in accent) is escalated to the full instrument. Of those, only a thin
flagged trickle reaches a person. Most items never touch the expensive call—which is what makes the cascade pay, and the abstain flag is exactly its
escalation trigger.
