VCSELs are becoming the dominant light source technology in different markets such as consumer electronics, automotive, illumination, aerospace, drones and robots. Currently we observe an amazing virtual loop where VCSELs, due to their stability, small size, simplicity and low cost of manufacturing and testing, are both widely used and finding new applications. Letβs discuss with the leading companies how is evolving the use of these devices, taking into account the vision and the requirements of the end-users as well the volume production challenges in terms of design, fabrication, and packaging.