http://www.pewinternet.org/2016/01/14/privacy-and-information-sharing/

Most Americans see privacy issues in commercial settings as contingent and context-dependent. A new Pew Research Center study based on a survey of 461 U.S. adults and nine online focus groups of 80 people finds that there are a variety of circumstances under which many Americans would share personal information or permit surveillance in return for getting something of perceived value. For instance, a majority of Americans think it would be acceptable (by a 54% to 24% margin) for employers to install monitoring cameras following a series of workplace thefts. Nearly half (47%) say the basic bargain offered by retail loyalty cards – namely, that stores track their purchases in exchange for occasional discounts – is acceptable to them, even as a third (32%) call it unacceptable.