My laptop that will place my cursor in random places in my text when I'm typing.
People that don't accelerate to the speed limit when merging onto the freeway.
Ordering a Caramel Brulee Latte and being told they don't have the syrup anymore.
WRITING A KILLER BLOG POST AND THEN BLOGGER DOESN'T SAVE IT AND DECIDES TO DELETE INSTEAD, AND THEN I'M LEFT WITH NO MOTIVATION TO RE-TYPE IT!!!