quantified self

== English == === Etymology === Popularized by Wired editors Gary Wolf and Kevin Kelly in 2007. === Noun === the quantified self (uncountable) A movement to promote the constant tracking of one's physical activity, diet, and other personal metrics in order to gain insights for self-improvement; the practice itself. Synonym: QS ==== See also ==== lifelogging === Further reading === quantified self on Wikipedia.Wikipedia