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Dutta is an authority on the impact of new technology on the business world , especially social media and social networking , and on strategies for driving growth and innovation by embracing the digital economy .
 person: Dutta
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:
 person: Dutta