I think the first use of this pillow is brilliant (and have actually been looking for something like this), but they're really scraping bottom with some of those other uses:
http://www.comfortan.com/comfyrest/cr-instructions.html#facedown or even better:
http://www.vitrectomy.com/?m=face I *so* want to try this. I love sleeping on my stomach but I hate turning my neck because it makes me tense my body up, and I've dreamed about products like this.