The SaaS ecosystem in India today boasts of a staggering range of products that are as dynamic as they are diverse. But if there is one common element that binds these varied startups together, it is their founders’ innate ability to sniff out hidden opportunities and build products to cater to growing market demands. Most successful founders hit upon their billion-dollar startup idea not through any divine providence but because they discover untapped potential in nascent markets before anyone else. But how do they accomplish this? In this chapter, we turn to some key SaaS founders who possess a keen sense of product–market fit and recognize wonderful opportunities that lurk behind frustrating user experiences. We are going to be spending time with some select entrepreneurs to understand what they consider as key market drivers and how much they rely on intuition before going after a market.