As you may not notice, but since the last change on the site outlook early this year, Theo’s Weblog was decorated with some kind of pattern…
It is actually call QRCode, a 2D barcode widely use in Japan!
Many mobile phones in Japan comes with encoder/decoder build-in working with the digital camera, save ALOT of typing isn’t it?
I actually did the code quite sometime ago, but completely forgot about it….
You can try a online demo here!