This is really well-executed, and the components of the building are really intriguing. That said, the connection back to Bravia is a little ephemeral, and smacks a little of novelty (as do so many things of this nature).

Since the core functionality is really driven by a hexidecimal value transmitted to the building – easily enough implemented – it would be interesting to allow people to do the same thing from a mobile or location-served app that can read images from a user’s device.

[...] Veering away from the stalker meme implicit in the last paragraph, I offer up a nugget from the past summer, courtesy of ka-d.net: [...]