“…We refer to this idea as the self-improvement hypothesis of PI. Although there are exceptions (notably life-logging and other recollection-and selfdocumentation-focused approaches, e.g., Elsden & Kirk, 2014), the self-improvement hypothesis seems to represent the dominant way of thinking about PI and the prevailing intention in designing such systems (see, e.g., Epstein, Ping, Fogarty, & Munson, 2015 ;Li, Dey, & Forlizzi, 2010), as well as the most common reason for users to adopt such systems (Choe, Lee, Lee, Pratt, & Kientz, 2014;Epstein et al, 2015;Li et al, 2010;Whooley, Ploderer, & Gray, 2014).…”