Sorry, but this presentation we prepared for the German Airport Association ADV is in German.
Should you have questions or want me to give you the presentation online in English, just give me a call ツ
ADV Marktforschung 2016
![“Our Heads Are Round so our Thoughts Can Change Direction” [Francis Picabia]](https://foodforthought.barthel.eu/wp-content/uploads/2021/10/Picabia-Francis-Round-Heads.jpg)
by Jürgen Barthel