Although our understanding of the changes ushered in by the informatization of society has significantly improved in the last two decades, in some regards, not even the increase in empirical evidence has yielded satisfying answers. One of the areas in question is research on the digital divide. One may be surprised by finding that despite there being plenty of data about the sociodemographic correlates of the Internet diffusion, digital skills, Internet-related attitudes, and online activities, we only have little empirical evidence about the actual effect of Internet (non-)use on a person's participation in society, as has been repeatedly stated by leading scholars in the field (DiMaggio, Hargittai, Celeste, & Shafer, 2004; Helsper, 20...