At a networking event yesterday (May 2017) we learned that not only does Intel, Deloitte and BT have their own "Stores of the Future", but that some of these have been in existence for about three years. And... that Farfetch are just about to visit one of these in the coming weeks.
The companies mentioned have set up these stores as a way to showcase what a typical IoT-enabled store would look like.
In the mean time, Youtube has opened its own store in Kings Cross. This is not showcasing IoT or other technical capabilities but rather gear from vloggers and bloggers. Well worth a visit to see what brands of the future might look like.