Tomorrow's cities: Rio de Janeiro's bid to become a smart city

Rio de Janeiro's famously chaotic favelas are as much a landmark of the city as the Christ statue or Sugarloaf Mountain but few would see them as the natural home to smart technologies. via Pocket http://www.bbc.co.uk/news/technology-22546490#sa-ns_mchannel=rss&ns_source=PublicRSS20-sa