Has anyone participated in the testing of the mobile app mentioned at around the 75% mark of the article? One reference they have on the landing page is describ

Has anyone participated in the testing of the mobile app mentioned at around the 75% mark of the article? One reference they have on the landing page is describing the Experience-Sampling Method [1] - there seem to be a few existing applications that allow one to track how exactly they felt in a quantified manner at a point in time. [1] https://en.wikipedia.org/wiki/Experience_sampling_method https://en.wikipedia.org/wiki/Experience_sampling_method