Beata Zawrzel/NurPhoto via Getty Images
Screenshot from United States Patent and Trademark Office
Oura
NurPhoto/Getty Images
Win McNamee/Getty Images
Kevin Mazur/Getty Images
Annick Vanderschelden/Getty Images
Yuichiro Chino/Getty Images; AndresLopezFotopets /500px/Getty Images
Arif Qazi/Insider
Maskot / Getty Images