I exhorted students to identify themselves as precisely as they could in their emails to me. This is what one inventive student came up with:
Dear Prof. Clarissa, I’m in your 12 pm FLXXX-001 class. I’m the guy who usually pulls down your projector screen.
Of course, I remembered him immediately.
As for the screen, some enemy of humanity hung it right under the ceiling, forcing all 5’6 professors either to make idiots of themselves by jumping up or to recruit taller students to pull the screen down.
Clarissa's Blog 
I’ve been in classrooms where the teachers had a long pole with a hook on the end to get that thing down.
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That’s how we did it in school. Now in collage it’s computer controlled. Oh the wonders of oil.
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Perfect! I’ve also had to be the screen puller-downer before, as a function of height plus sitting near the front of the classroom (something I finally started to do when I realized that as long as I was paying attention, professors probably wouldn’t care if my notebook was full of hand-busying doodles).
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