London is your Oyster
Two visualizations of the London Oyster data:
London’s Oyster Card Tidal Flow (Oliver O'Brien)
A colleague asks, what cool things would you do with those underlying data (e.g. GoTo Card data for the Twin Cities)?
[youtube http://www.youtube.com/watch?v=4FrnF2HlBGg]
[youtube http://www.youtube.com/watch?v=QQV3UHsZ_u4]