According to Rainie & Wellman (2012), "We are at the start of an environment in which people are intimately intertwined with digital networks that follow them everywhere they go, with all of their individualized settings and information" (p. 278-9).
See: Vance, A. (2010, May 17). The Digital Universe, Information Shadows, and Paying for Privacy. Retrieved February 11, 2015, from http://scholarlykitchen.sspnet.org/2010/05/17/the-digital-universe-information-shadows-and-paying-for-privacy/
References:
Rainie, H. & Wellman, B. (2012). Networked: The New Social Operating System. Cambridge: MIT.