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. 2011 Dec 16;13(4):e123. doi: 10.2196/jmir.2012

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©Gunther Eysenbach. Originally published in the Journal of Medical Internet Research (http://www.jmir.org), 16.12.2011.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work, first published in the Journal of Medical Internet Research, is properly cited. The complete bibliographic information, a link to the original publication on http://www.jmir.org/, as well as this copyright and license information must be included.

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Tweetation density by account. Each Twitter account is ranked by the number of tweetations sent and plotted by rank on the x-axis. The y-axis shows how many tweetations were sent by each ranked account. For example, the top Twitter account ranked number 1 (@JMedInternetRes) sent 370 tweetations. Note the linear pattern on a log-log scale, implying a power law.