Originally Posted by Winston
Has anyone ever used or have an opinion on this litter?
Yup, I've used World's Best Cat Litter before. It's corn based and has excellent clumping abilities, yet won't stick to the litter box. Some people don't think it has good enough odor control but I thought it worked great (but I also scoop the box 2 or 3 times a day and I only have one cat). I thought it was hands down better than clay clumping litter, and more environmentally friendly. It is more expensive, although you use less.
Couple of warnings: some cats like to eat it
and it can possibly attract certain bugs depending on where you live.