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In November , 2011 he was vocal in declaring the Project Black Mirror brainwave-to-Siri hack a hoax and his blog post on the subject was cited as an authority by a number of blogs and websites .
 None
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities:  
Answer:
 None