▁not ▁reve al ▁very ▁much ▁other ▁than ▁the ▁requirements ▁of ▁trade ; ▁it ▁is ▁just ▁that ▁the ▁cultural ▁patterns ▁of ▁what ▁is ▁hidden ▁and ▁what ▁is ▁revealed ▁differ ▁from ▁fe ud al ▁and ▁ancient ▁society . ▁According ▁to ▁Marx , ▁the ▁labour ▁market ▁appears ▁as ▁the ▁" very ▁E den ▁of ▁the ▁inn ate ▁rights ▁of ▁man ", ▁in so far ▁workers ▁can ▁choose ▁to ▁sell ▁their ▁labour - power ▁freely , ▁but ▁in ▁reality , ▁workers ▁are ▁forced ▁to ▁do ▁so , ▁often ▁on ▁terms ▁unf av ou rable ▁to ▁them , ▁to ▁surv ive . ▁As ▁soon ▁as ▁they ▁are ▁inside ▁the ▁factory ▁or ▁office , ▁they ▁have ▁to ▁follow ▁orders ▁and ▁submit ▁to ▁the ▁authority ▁of ▁the ▁employ er . ▁ ▁Even ▁in ▁" nak ed ▁commerce ", ▁the ▁possible ▁methods ▁of ▁" mask ing " ▁what ▁one ▁is , ▁what ▁one ▁represents ▁or ▁what ▁one ▁does , ▁are ▁extremely ▁diverse . ▁Human ▁languages ▁and ▁numerical ▁systems , ▁for ▁example , ▁offer ▁very ▁subt le ▁dist in ctions ▁of ▁meaning ▁that ▁can ▁" cover ▁up " ▁something , ▁or ▁present ▁it ▁as ▁different ▁from ▁what ▁it ▁really ▁is . ▁Anth rop olog ists , ▁soci olog ists ▁and ▁lingu ists ▁have ▁sometimes ▁studied ▁" ling u istic ▁mask ing ". ▁ ▁The ▁" mask ing " ▁of ▁quant itative ▁relationships ▁takes ▁three ▁main ▁forms : ▁ ▁mask ing ▁plain ▁computational ▁error ; ▁mask ing ▁through ▁a ▁categor ization ▁of ▁counting ▁units ▁which ▁h ides ▁the ▁real ▁situation , ▁or ▁presents