a wall socket with two receptacles, however, no enough spaces in between.
a "Function" key which will always be mistaken as CTRL.
a "smart" design which winds 2 pieces together to save space, however, very fragile
a notebook which is very hard to write on the left side
a toilet seat (think....)
even harder one (think...)
a RJ45 socket which always blocks mouse movement
a airplane passenger seat where there is no place for legs
a shirt which customer always have to cut the brand labels
