What constitutes Internet use in this research? Which part of the infrastructure has to be involved for it to count? Those questions don't have clear answers.<p>According to Methodological Manual, they were asking questions such as “When did you last use the Internet?” during face-to-face and phone interviews.<p>They <i>did</i> ask about using Internet and websites from mobile devices, in addition to “computers”. However, I'm not sure if many non-technical users would qualify updating an app (which may happen automatically), or performing various in-app activities (also may happen automatically, like updating weather forecast) as using the Internet.<p>So it seems to be more indicative of how many Europeans, of those who do agree to phone or face-to-face interviews, deliberately access email or web sites.