Amidst all the solopreneur emphasis on the need to niche one's business, Matt mentions that his favorite clients, by far, are the ones who, months later, have evolved to something that has absolutely nothing to do with his niche. He highly recommends that the other solopreneurs out there follow the niching literature and consider niching a vital survival technique, but he urges them to, at the same time, be open to the idea that some of their favorite clients won't fit into that niche at all.