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From 2001 , Steve wrote for PDA Essentials magazine ( published by Paragon Publishing , which was then sold to Highbury House Communications , now defunct ) in the UK - this was eventually renamed to Smartphone Essentials but eventually folded by Imagine Publishing in 2011 .
 Paragon Publishing, Imagine Publishing
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Paragon Publishing, Imagine Publishing