Land Lines, Cell Phones, and Their Social Consequences (2011)

Also, the landline was public not only in that it made phone calls a matter of public notice, but it was also a shared resource. Consider the landline an instance of the public dynamic and the cell phone a manifestation of the social dynamic, loosely following Arendt’s model. Cell phones, by contrast, yield an anonymous self, constitute privacy as a function of anonymity and dis-appearing, and instill habits of unbounded and unlimited consumption.

Source: thefrailestthing.com