What Google recently did with favorite places and the QR Code Sticker, comes very near to our new product DokoDare:

Map, Address, Opening hours etc. + QR Code Sticker see an example

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Now I think this is very good for QR Codes as now many more people become aware of them. On the other hand, I think that there is still a lot of improvement to do from the Google side, so that it's valuable for the business owner and the user.

On DokoDare: Places, People, Me, we are working on this for some time now and we came to these conclusions so far:

DokoDare must be highly useful for the business owner. So we did this:

• s/he can publish short news for one or more places
• s/he can push the place and news to her/his clients
• people can follow place news.
• s/he can edit address, description, add photos etc.

And DokoDare needs to be social, so that people might check the page several times:

• People can checkin and checkout
• People can write kaykus and retweet them at the same time
• People can bookmark their favorite places
• People can open new places
• People can follow other people and place news

Here is also the link to the DokoDare powerpoint which explains free and commercial use in more detail.

PS:
See also:
DokoDare Retweets
DokoDare Events, ISMAR 09 Example
Momo Switzerland 11: Presentation: Creating an Ad Hoc Social Network with DokoDare (PDF)