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I have put quite some effort in the JavaScript implementation for QRCode encoding, and finally got it all working nicely. Then it is natural to put it in action! But for a while, I was not sure what to do, other than just put it on the Google Code for people to download, and also mention it in a forum that I frequent. I even start to fiddle around with the Google App Engine for some enjoyment of such a wonderful free service provided by Google, as the result, it is fun to set up a personal blog page using TiddlyWiki adapted for GAE.
One day, all of sudden, the Ahah come upon me out of nowhere: I can setup a GAE App that can forward a QRCode to a personal web page URL, or LinkedIn profile URL. This App would be a QRCode forwarding service, which can provide its users a mapping service from a static QRCode to a URL of choice. The forwarding destination can change at any time, while the user don't need to worry about updating the QRCode, which he or she may for example printed out on hundreds of name cards, and more over, has already given them out. Please check this App at http://qr2web.appspot.com/. And the next picture is a screen shot of the service user page.
-ColinGui
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