Contact Details 
David Geerts
Centre for Usability Research
Parkstraat 45 - Bus 3605
3000 Leuven, Belgium
david.geerts@soc.kuleuven.be
Marianna Obrist
ICT&S Center, Univ. Salzburg
Sigmund-Haffner-Gasse 18
5020 Salzburg, Austria
marianna.obrist@sbg.ac.at
Petter Bae Brandtzæg
SINTEF ICT
Forskningsvn 1b
0134 Oslo, Norway
pbb@sintef.no
Manfred Tscheligi
ICT&S Center, Univ. Salzburg
Sigmund-Haffner-Gasse 18
5020 Salzburg, Austria
Manfred.tscheligi@sbg.ac.at