In the lead up to the Netcore Martech Marathon 12X25, CNBC-TV18 speaks to a few marketers who use tech in their marketing efforts in today's complex world.

Storyboard's Anant Rangaswami caught up with Anindya Ghose, Heinz Riehl Chair Professor of Business and director of Masters of Science in Business Analytics program, NYU Stern on the sidelines of ZEE Melt on the problems that marketer's face and the key focus areas for them.