Quantified self

noun

Definitions

Noun
  1. 1
    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. uncountable

    "The quantified self movement—the idea that tracking metrics about yourself can lead to self-improvement—appears to be gathering steam."

Etymology

Popularized by Wired editors Gary Wolf and Kevin Kelly in 2007.

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