This is Professor Victor V. Claar's Economics Blog. I use it mostly to keep track of interesting video segments that I use in class, but you will occasionally find other posts here as well.
That graph is crazy and cool!
That pretty much coincides with one I read about some years back - water use during TV commercial times.It may also explain the Los Angeles water district waster mains failures, after water rationing was imposed on alternate days. The pipes broke during the "water use OK" days.