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Wearable activity tracker; smartwatches; Downloadable computer software for tracking health, lifestyle, wellness, nutrition, exercise, and fitness of users, retail shopping, engaging in social networking, interacting with online communities, accessing and streaming multimedia entertainment content, providing interactive games, creating digital animated and non-animated designs and characters, avatars, digital overlays and skins for access and use in online environments, virtual online environments, and extended reality virtual environments; Downloadable computer, mobile, and personal digital device software applications for providing educational instruction and entertainment content in the fields of health, fitness, recipes and food-based nutrition, wellness, personal care, and lifestyle; downloadable video recordings featuring instruction and entertainment content in the fields of health, fitness, recipes and food-based nutrition, wellness, personal care, and lifestyle; wearable electronic devices, namely, watches, bracelets, and wristbands that are comprised of software that communicates data to personal digital assistants, smart phones, and personal computers through Internet websites and other computer and electronic communication networks; sensors for scientific use to be worn by a human to gather human biometric data; Downloadable mobile application software for creating personalized fitness training programs