Brad Ideas
Crazy ideas, inventions, essays and links from Brad Templeton
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2-D bar codes on business cards?
I met a guy at CTIA Wireless this fall who was promoting 2-D bar codes for business cards. I can't locate his contact info right now. But there's an interesting Wikipedia entry about this idea and some open source efforts around it:
http://en.wikipedia.org/wiki/Data_Matrix
This sort of scheme would store a lot more info than you put squeeze into a URL.
Scott