NEW DELHI, Jan. 17 -- Adjudged marketing innovator by Time magazine and business innovator by BusinessWeek, Rishad Tobaccowala, chief growth officer at Publicis Groupe, has written his first book, Restoring The Soul Of Business: Staying Human In The Age Of Data.Published by Harper Collins, it will be released in the US on 28 January. In New Delhi for its India launch, the Chicago-based advertising veteran spoke about the inspiration behind the book, the importance of balance between creativity and data, and the decline in advertising. Edited excerpts from an interview:

What inspired you to write this book?

There were two reasons. One was external demand, and the other was the internal belief that there was a right time to write it. As I w...