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FYI, added a custom BBcode to be able to embed Zeemaps. the tag is
How about the idea of adding a column for the date the supercharge came on-line? With this collected memory, we could start a plot of number of Superchargers vs time and rate of Supercharger installs vs time. These would be some pretty interesting summary graphs.
It would take a little while to catch up to the current time, but with some communal memory and research, we could get the historical data put in.