Ruby Justice Thelot on wearables, biohacking, and the rise of body optimization: "The Fitbit is launched in 2007... That idea of a quantified self has been with us for like 20 years... I feel like it's only being fully realized now, 20 years later." "Slowly, through proper product development and slow adoption, we're seeing more and more adults adopt wearables as a way to control, understand, and improve their bodies." "An idea that I like a lot around this concept of quantification of the…