The emerging “Quantified Self” trend involves people monitoring, managing and tracking their health and wellbeing through digitalized biomedical information. Equipped with optical sensors, wearable devices such as smart watches and smartbands help consumers collect and measure different biological indicators and stats about themselves. Unlike the fiercely contested white LED market, the newly developing wearable device market is an untapped blue ocean market that presents incredible opportunities for the LED industry.

People with intrinsic sleeve tattoos or wrist tattoos have complained Apple Watch failed to function properly, reported several tech media.