How do bike-sharing schemes shape cities?

NEXT month a so-called “brand new means of transport” will be launched in Copenhagen: the bicycle. GoBike, Europe’s latest bike-sharing scheme, will have bicycles with built-in tablet computers that direct cyclists to the best local restaurants, show offers in nearby shops and give the latest train times. Bike-sharing is shifting up a gear: it seems that nearly every self-respecting mayor is either developing a scheme or announcing an expansion to one. What is the impact on cities’ development?