533
it sure beats having to buy it, but seriously come on...
(i.imgur.com)
not being able to ctrl-F a textbook or have click-to-chapter links sure makes studying harder these days... and any scanning software worth it's salt will at least do the bare minimum OCR automatically...
I hope this sentiment never stops someone from uploading a textbook without OCR. Once it's scanned it can always be OCRed at a later time.