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. 2016 Aug 3;3(8):160293. doi: 10.1098/rsos.160293

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© 2016 The Authors.

Published by the Royal Society under the terms of the Creative Commons Attribution License http://creativecommons.org/licenses/by/4.0/, which permits unrestricted use, provided the original author and source are credited.

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Figure 2. — (a) Pattern of word usage in The New York Times over a 120 day period. Adapted with permission from Anderson & Schooler [4]. (b) Pattern of encounters between pairs of human participants over a 100 day period. Graph based on data from Pachur et al. [24]. (c) Pattern of encounters between pairs of wild chimpanzees over a 30 day period.