You really can't fault MIT's branding strategy here. Debuting at the biggest climate change conference since Kyoto, its Copenhagen Wheel is a mixture of established technologies with the ambition to make us all a little bit greener and a little bit more smartphone-dependent. On the one hand, it turns your bike into a hybrid -- with energy being collected from regenerative braking and distributed when you need a boost -- but on the other, it also allows you to track usage data with your iPhone, turning the trusty old bike into a nagging personal train
