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In the press Horatio Investments was included in an article in late 2012 , named " 22 business angels you need to know about " , in which they were listed along such investors as Ron Conway and Reid Hoffman , the co-founder of LinkedIn .
 Ron Conway, Reid Hoffman
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Ron Conway, Reid Hoffman