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Concept The Living Stories interface allowed readers to view multiple threads of the same story , similar to an RSS feed , a summary of the story , a timeline , and more features all while allowing the reader to view updated information while filtering or highlighting what the reader has already read about .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
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