Much of the appeal of wearable devices like pulse watches, comes from brands creating a social dimension associated with the device.[20] The addition of interactive applications on these devices, maintains the engagement levels of users allowing the device to be used more frequently by the user.[21] After decades of technological advancements and improvements, it is expected that one in ten US adults now own a smartwatch.[7] The wearable device industry is also expected to grow in sales by 20% over the next 5 years.[22]