Gmc ad
A torn and fading billboard for a recently closed General Motors dealership shows a General Motors truck on June 2, 2009. - 

This final note today, which comes with a reminder that Facebook went public today. You might remember a couple of days ago we told you General Motors was going to stop advertising on Facebook, 'cause it just wasn't worth it.

Now comes news GM might be re-considering ads all together. Or at least big splashy ones. GM's head of marketing told the Wall Street Journal it's not gonna do a Super Bowl ad this year -- $3.8 million for 30 seconds is just too rich.

Follow Kai Ryssdal at @kairyssdal