This year the GfK Shopper annual conference is dedicated to the theme "Sell me more... from offline to omni-channel". The conference will take place on Thursday, September 11th. A number of prominent speakers will give their views on the theme. Absolute expert in ' the new way of shopping' is Cor Molenaar, who will be one of the speakers during the event. During the event the Shopper Marketing Awards will be presented.