dual monitors for programming

I know the main userbase for dual monitors are for graphics artists, but Im wondering how much of the programmer community uses dual monitors? I imagine that large hi-res wide-screens have solved a lot of problems with screen real estate for programmers, but Im curious what percentage of programmers use dual monitors in their work.

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I, as a person of no colour, find your suggestion that only people of colour would find that slur offensive to be in itself offensive. Please consider that people of all backgrounds may reasonably find such statements offensive.