I saw this in a street in SOHO in London, a huge QR code hung on a building.

As I took this photo, I overheard some people nearby saying

“So what, you just take a picture of it? That’s wicked.”

Following my tweet about this, Raimo van der Klein (CEO of Augmented Reality leader Layar) tweeted (tongue in cheek)

However, I remain a QR code skeptic – and here is why.