Sitting up in her crib

Right now I am sitting on the couch looking at our baby monitor in amazement. Savvy has been protesting her afternoon nap and has been fussing on and off. When it suddenly got quite I looked at the video feed and saw Savvy sitting up playing with her crib bumper. Pleased as punch. Guess it is time to lower her crib. I don't know when she'll show me this trick outside of her crib but looks like she is getting good at this mobility thing. Now if she would just decide to sleep...