Got this in an email at work today:
“I think you’re approach is sound.”
The your/you’re thing bugs me – not only because it looks stupid when it’s wrong, but because when you see you’re when it’s supposed to be your, the errorist did extra work to fuck up. You almost want to feel bad for them. Almost.
Leila A. M. Martin 
So frustrating…urgh!
I hate this too. Their just wrong!
(Sorry. Couldn’t resist.)
We are losing the War on Error. Your so write….