Must... Control... Fist... Of... Death...

[jbsegal]

"who's" = "who is"

"whose" = The possessive form of "who" (or "which", says AHD4)

I've seen so many intelligent people make this mistake TODAY that it's (not "its", notice) driving me bugfuck.

Comments

[jbsegal.livejournal.com]

{person), "who's personality is {personality type}"

is a modified version of the proximate cause of this rant.