Terrific
StreetFilms video shows concretely what happened when Boston's
MBTA released real-time transit data:
1 hour: Real-time bus locations on Google Earth.
2 days: T riders can track bus locations via desktop.
1 wk: A desktop widget w/ countdown info.
2 wks: More new web apps.
1 month: LED countdown sign w/ real-time bus info.
5 wks: Android & iPhone apps.
7 wks: System that delivers real-time data to any phone.
(via Andrew
McLaughlin on Facebook)