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"In bourgeois society itself, all exchange of personal services for revenue - including labour for personal consumption, cooking, sewing etc., garden work etc., up to and including all of the unproductive classes, civil servants, physicians, lawyers, scholars etc. - belongs under this rubric, within this category. All menial servants etc. By means of their services - often coerced - all these workers, from the least to the highest, obtain for themselves a share of the surplus product, of the capitalist’s revenue." -Marx (Grundrisse)