I liked it too...After the sale back to work.

//Stephen

On Sat, May 12, 2012 at 11:49 AM, Daniel Mietchen <daniel.mietchen@googlemail.com> wrote:
Dear all,

I recently came across this kind of QR code that plays with sun and
shadow. I don't see any immediate use cases in our context, but I like
the approach, and so I'm passing it on to you:
http://youtu.be/DUkhNmbN6qQ .

Cheers,

Daniel

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