Made made the step into the realworld, by providing an QR-Interface for their Flattr-Buttons. That buttons in combination with mobile-devices (equipped with the right apps) lat you Flattr events, artworks or other stuff, that can be found in the real world. A unique real-life-micropayment-interface for even more community-driven goodness. Here is an overview of the Flattr-offline feature with links to mobile apps as well, like for example flattr4android.
