Download the full article, courtesy of the World Low Cost Airlines Congress media partner Airport Industry Review to learn in more detail about:

Engaging Visitors
'As airports are now home to many retailers, the possibilities are far wider than merely managing ques of people and bottlenecks'

The 'creep' factor
'This location data will inevitably leak or get stolen at some point (because it has value)'

An evolving technology
'If we know when you're going to arrive and what your favourite cocktail is, we can have that ready in the upper class wing'