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by lettergram 3357 days ago
I ask people regularly to pay for a service that I provide for free:

https://easy-a.net/

The only thing I provide for paying me are some nice graphs and insight(s) (predict end of semester grades for the given student/user) if they pay me $20 / year. That's from college students... and I have plenty paying me.

All the data was gathered from a FOIA request which I make publically available. The only private data is what users enter about themselves.