Best POKE Ever? For Commodore 64

There's so many potential POKEs in the world; nobody's tried them all, but here's one for the Commodore 64 that may provide the best bang for your buck: POKE 788,82. Join me as we demonstrate what it does, try to figure out the history of it, and then attempt to explain how it works, and why there are a couple variations of it.

Pagetable disassembly: https://www.pagetable.com/c64ref/c64d...
SnappyROM (Super Snapshot ROM upgrade): https://github.com/adrianglz64/snappyrom

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Index:
0:00 Collecting POKEs!
1:06 POKE 788,82 - Etch-A-Sketch
4:19 Who discovered this?
6:18 POKE 788,52 - disable STOP and TI
8:13 What does location 788 do? $0314/$0315 Interrupt Vector
10:48 What does $FFEA do? Updates Jiffy Clock and checks STOP
12:06 What does $EA34 do? Manages cursor flashing
15:22 POKE 788,80 vs. POKE 788,82
20:00 Best POKE ever? Thanks!