Table 2.

A selection of cards used for the card sorting exercise.

card	label
a decade of tracking headaches	a decade of tracking headaches is a show and tell talk by Stephen Maher [...].the talk was given on 22/09/2018 and is about pills intake, sleep and stress.
activity tracking	activity tracking typically describes the act of tracking physical activity [1] and is frequently measured through metrics such as steps, calories burned, distance walked/run, heart rate and [...]
autoethnography using one button tracker and Jupyter notebook	this page provides a step-by-step guide on how one can use a one-button tracker such as the Puck.js to do an autoethnography that combines qualitative and quantitative data.
bangle.js	the Bangle.js [1] is the name of a series of open-source smartwatches that are made by Espruino under the leadership by Gordon Williams, who also designed the Puck.js open-source hardware that can [...]
blood glucose tracking	blood glucose tracking involves methods and tools to measure blood glucose levels, commonly in the context of diabetes but also by non-diabetic users.