[edit] For sources, hit Legals in the bottom right footer, then Sources - Credit in the top (as per http://imgur.com/QknNS6B) [/edit]

Not sure about the other cities, but for London, the bike locations are probably coming from the GLA Datastore http://data.london.gov.uk/datastore/package/tfl-cycle-hire-l.... ATM information perhaps through Mastercard's API? http://www.programmableweb.com/api/mastercard-atm-locations

I saw this a while back and thought it was a brilliantly executed marketing campaign.

On a side note, whatever happened to Ingress?