You might not be able to tell using photos, but alright. To try and describe it, imagine that a photo inside a picture frame isn't aligned correctly and one of the top corners are cut off and everything looks slanted. It's just like that.
EDIT: Tried to take a picture. Didn't work. It's a very slight slant, but just enough to bother the hell out of me. And I'm not quite sure, but I think it makes the actually touch screen slightly inaccurate.