  Regarding (i), one might ask why using search engines to track and locate persons is controversial from a privacy perspective. First, consider that some organizations have developed specialized search engines for questionable purposes, such as stalking people. For example, one search facility (Gawker-Stalker Maps, introduced in 2006) was designed specifically for the purpose of stalking famous people, including celebrities.  Imagine a case in which a celebrity has been spotted while dining at an up-scale restaurant in San Francisco. The person who spots the celebrity can send a “tip” via text message or e-mail to Gawker-Stalker, informing the site’s users of her whereabouts. The Gawker site then provides its users, via precise GPS software, with information about exactly where, and at what time, she was last seen. Users interested in stalking that celebrity can then follow her movements electronically, via the Gawker site, or they can locate and follow her in physical space, if they happen to be in the same geographical vicinity as the celebrity at that time (Tavani 2016). Currently, Gawker-Stalker seems to be in a state of transition. Although gawker.com, a subsidiary of Gawker Media, ceased operations following a bankruptcy suit in 2016, the controversial Gawker site was acquired by the Bustle Digital Group in 2018 (Kelly 2019).