“…Location-based services (LBS) assist people while they move through the physical environment. Current research on LBS addresses a variety of topics such as network architectures and information technology standards (Adams et al 2003, Peng & Tsou 2003, Ahn et al 2004, positioning techniques and data collection (Mountain & Raper 2001, Miller 2003, Spinney 2003, human-computer interface (Pundt & Brinkkötter-Runde 2000, Meng 2005), map design adaptation and personalization of services (Hjelm 2002, Zipf 2002a, 2002b, Gartner et al 2003, Sarjakowski & Nivala 2005, market opportunities and business cases for LBS (Beinat 2001, Benson 2001, Barnes 2003, as well as locational privacy (Armstrong 2002, Myles et al 2003. Typical applications of LBS are found in areas such as navigation services (Winter et al 2001, Chincholle et al 2002, Winter 2002, Choi & Tekinay 2003, Smith et al 2004) and tourist information systems (Zipf 2002a, 2002b, Berger et al 2003, Hinze & Voisard 2003.…”