And the same question was answered in the opposite sense in section 4, in which adding a colored background was deemed not to affect the data/ink ratio.
... Mumble mumble metric vs. target. Data/ink is a useful thing to keep in mind, but it's just one factor in selecting designs that communicate your data.
... Mumble mumble metric vs. target. Data/ink is a useful thing to keep in mind, but it's just one factor in selecting designs that communicate your data.