By now it should be very obvious that despite there not yet being a singular that is both concise and robust; what we can do now compared to a few short decades ago is staggering. The eb and flow of research in the field is ongoing and vital in the pursuit of complete quantum control. Specifically in the case of internal conversion, so much is already possible in terms of discrete control. The most cutting edge applications include its use as a channelling mechanism to guide excitons to important excited states , applying it towards battery design , and even fight certain cancers . The nuances are effectively endless, with newer combined studies on how it can be controlled, such as through exciton-polariton coupling, heavy-atom effects, and the role of complex potential energy surface interactions. These considerations offer critical insights into refining our understanding of IC, both as a fundamental process and as a tool for future technological applications.