The McRib is back at McDonalds today.  Here are some facts about it that you may not know. Will you get one? Have you tried one before? To see the article, click here.

1. The McRib came about because of a shortage of chickens.
2. The McRib was inspired by Southern BBQ.
3. The McRib is a product of "restructured meat technology."
4. The whole process from fresh pork to frozen McRib takes about 45 minutes.
5. The entire McRib sandwich contains about 70 ingredients — including a flour-bleaching agent used in yoga mats.
6. The McRib debuted in 1981, disappeared in 1985, and has resurfaced from time-to-time since 1994.
7. Individual  restaurants can actually order the ingredients for the McRib at any time.
8. McDonald's  keeps the McRib scarce because the sandwich's entire brand relies on it.
9. It'd be incredibly difficult for McDonald's to create more McRib-esque products, because that cult-like following is so hard to replicate.
10. There's also speculation that the McRib is really just a big commodity trade by McDonald's.

   11. Animal rights group sues McRib meat supplier over   inhumane treatment of pigs.