In a continuously and fast changing world every business should question its interaction with its clients. Who is my customer, what is he buying, where does he buy, does he come to us or do we deliver his purchases,… Besides these client oriented questions, the change in stock management (digitalization) also becomes an issue. Kris Lenaerts offers an overview of the challenges he and his competitors are confronted with an lifts a corner of the veil on how to cope with them.