A system, service, or entity that collects and combines information from multiple sources into a unified format. Commonly used in technology and finance to describe platforms that gather data from various feeds.
From Latin 'aggregare' meaning 'to add to a flock', combining 'ad-' (to) and 'gregare' (to gather, from 'grex' meaning flock). The modern technical sense evolved from the basic concept of gathering separate items into a group.
News aggregators like Google News revolutionized how we consume information by automatically collecting stories from thousands of sources, but they've also been criticized for reducing the diversity of perspectives we encounter. The algorithm that decides what gets aggregated essentially shapes our understanding of current events.
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