Boring, S.Greenberg, S.Vermeulen, J.Dostal, J.Marquardt, N.2015-07-292015-07-292014http://hdl.handle.net/1880/50700https://doi.org/10.11575/PRISM/46244To be accepted and trusted by the public, proxemic sensing systems must respect people's conception of physical space, make it easy to opt in or out, and benefit users as well as advertisers and other vendors.unknown10.1109/MC.2014.223