A person who controls access to something, especially information or opportunities. In modern usage, it often refers to someone who has the power to decide what information reaches the public or who gets access to resources.
From Middle English, combining 'gate' (Old English geat) and 'keeper' (Old English cēpere). Originally referred to literal guardians of gates or entrances, but by the 20th century expanded metaphorically to describe those who control access to information, opportunities, or social groups.
The concept of gatekeeping has become crucial in understanding how information flows in society, from newspaper editors to social media algorithms. Interestingly, the internet was supposed to eliminate gatekeepers, but instead created new ones with even more power than traditional media gatekeepers ever had.
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