Ten things to know about Super Bowl XLVI halftime

10. The NFL is ready to accept women again. Madonna is the first female invited to headline the Super Bowl halftime show since Janet Jackson did what she did back in 2004 (technically, last year's act, the Black Eyes Peas were 25% female, but I think  we'd all like to just forget that happened). Madonna has guaranteed that there will be no wardrobe malfunctions, which is just as well, because if there's any part of Madonna you'd like to see, she likely exposed it publicly long ago.

9. Madonna is doing this for free (kind of). Curious about how much the NFL is paying Madonna for her services on Sunday? Nada. Madonna's doing this one for free. What she does get out of the deal is nearly immeasurable exposure. More than 110 million people are going to watch this, and she has 12 minutes to do whatever she wants. For comparison's sake, last week, 19.6 million people watched American Idol. As far as I know, American Idol doesn't just give away 12-minute segments to anyone who wants them. Perhaps not coincidentally …

8. Madonna has an album coming out in March. MDNA, Madonna's 12th studio album, will be available for purchase on March 26th. One single from the album, "Give Me All Your Luvin'" has been released, and you'll likely hear a portion of it performed on Sunday. You can see the football-themed video, featuring Nicki