
http://www.livejournal.com/community/techsupport/703072.html?thread=5027424#t5027424
I know it's not - and I don't usually do it. People who can't find their shift key, or occasionally misplace an apostrophe, annoy me, but I let it slide. But when an unpunctuated sentence is actually difficult to read, I gotta call that out.
Sometimes it's just important. It's the difference between helping your uncle, Jack, off a horse, and helping your uncle jack off a horse.