I was going to say that this sounds suspiciously like something someone experimented with in Germany as well (http://stefanlaemmer.de/en/ http://stefanlaemmer.d

I was going to say that this sounds suspiciously like something someone experimented with in Germany as well (http://stefanlaemmer.de/en/ http://stefanlaemmer.de/en/), but I've noticed that he's mentioned that example himself as well.