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In his official email newsletter , sent during the week of 12 Sep 2010 , publisher Eric Olsen stated that he was leaving Blogcritics and Technorati : As of November 22 , 2011 , Blogcritics has 3,997 blog writers registered .
 Eric Olsen, Technorati
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Eric Olsen, Technorati