Based on the current and historical search interest data, it is evident that the interest in vapour density has been on a consistent rise since mid-2020. The current monthly search volume of 1000 and the absence of any competition indicates that this area presents an opportunity for entrepreneurs and content creators to tap into. The associated trends, search terms, and popular YouTube videos highlight the diverse areas of application and interest around vapour density, including chemistry, physics, and engineering. This presents an opportunity for businesses and content creators to create innovative and engaging content that caters to these interests. Finally, the projected future of vapour density seems promising, given the consistent rise in interest and the wide range of associated trends and categories.