What illness does a calligrapher fear?

Art writis.

Windows' next version

Overheard in a college:

DM: How come Windows' next version is 10? Can't they count? The last version was 8.

RC: DM, don't you know? 7 8 9...!

DM: That actually makes sense.

UC: It's weird how much sense that makes.

Thanks, guys, for letting me use your joke!