In-store "virtual mirrors" are turning shopping into a social network, he added, where customers can drag clothing items on to their reflected virtual image, post this to Facebook or other networking sites, and get instant feedback from friends.
Technology is also being developed into the tracking of mobile phone users in shopping centres, as well as enabling viewers to buy items through digital TV and interact with adverts.
But ... the growth of online will not see the end of bricks-and-mortar shops. "It's just going to become more blurred. The two will fuse together."
... More 'click and collect', more buying under one roof with people shopping for non-food and food at the same time. It will be the specialists that will suffer.
... supermarkets of the future will also be influenced by so-called "amateur economics" and a backlash against "the big, impersonal, alien shopping experience".
I expect you knew all that.
