[peterjmag]

it came in handy whenever a student emailed me their homework as a pile of JPEGs.

Gotta admire this guy's resourcefulness—and patience. If I were a professor, I'd probably just reject the assignment outright if a student sent me a bunch of photos from their smartphone in lieu of a PDF or a "proper" scan. :)

[Freak_NL]

Or compromise; write up an awesome blog post about how you wrote software to turn their photos into proper scans, and reject their homework (with a link to the blog post).

[vidarh]

Reject it, in the form of a picture of a handwritten note on a print-out of his jpegs.