As if Samsung's giant Galaxy Note smartphones weren't enough to handle, Huawei went and showed off its 6.1-inch Ascend Mate smartphone. Unlike the Galaxy Note -- which you can (barely) still use with one hand -- the Ascend Mate demands the use of a second hand. That's OK with a tablet you don't have to walk around with and hold to your face, but it's agony with a phone.-Adrian Covert