Shenoy a great fan of and a regular columnist disseminating information on the sci-fi genre, recommended this book ' Numbercaste ' to me. His reasoning was simple, I am a data scientist and this science fiction book is based on that. Interesting premise for sure. And was he right, I could connect to the story so easily and got hooked. The author Yudhanjaya Wijeratne is a big data researcher himself. Thus, the premise is closer home for him. He knows the technological advances and the research that has been going on. He knows about the next barriers to be broken. As the author so humbly acknowledges he just put together things that are already happening around us and extrapolated them to come up with this beautiful book. *** Possible Spoilers ahead *** Key topics of interest to a technologist in this book are exoskeletons, universal identity management based on blockchain to mitigate migration crises, and social and credit scoring system taken to extreme as pro...