pretty easy to keep up with the progress by running it locally and occasionally syncing.
one note: on my nexus one, the back button in the upper left of the mobile site doesn't work. specifically, after clicking on one of the list items, sliding to the right, I can't go back by hitting the button on the upper left.
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fwiw the khan academy runs on app engine and is open source:
https://sites.google.com/a/khanacademy.org/forge/for-develop...
pretty easy to keep up with the progress by running it locally and occasionally syncing.
one note: on my nexus one, the back button in the upper left of the mobile site doesn't work. specifically, after clicking on one of the list items, sliding to the right, I can't go back by hitting the button on the upper left.