Izzie has learned the sign for "diaper!" She said "diaper" along with the sign this morning when I asked her if she needed a new one. When she said it sounded like "bop," so I would have never known it was diaper except paired with the sign! I can really see how signing enhances communication with the spoken word. If not for her sign, I would have tought she was just babbling, when instead she was actually communicating to me that yes, in fact, she did need a clean diaper. By the way, the sign for diaper is to take your pointer and middle finger and tap with your thumb while holding your hands near your waist.