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Some have asserted that Valve used the GDPR change as a means to block methods of estimating sales data , though Valve has since promised to provide tools to developers to help gain such insights that they say will be more accurate than Steam Spy was .
 organization: Valve; organization: Valve
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 organization: Valve; organization: Valve