Over 4000 marketing and technology professionals, over 100 speakers and 70 brands. Ad:Tech 2015 - the world's premier digital marketing and advertising got even bigger this year in India, with key brands, digital experts and media agencies taking centre stage to discuss and deliberate on how data on digital devices is shaping brand building. But with so much data available, are marketers equipped to make sense of that much data available? Get to hear from experts on this.