Under the category of "What were they thinking?"

GM, in all it's glory and marketing pressure, may have made this years greatest marketing blunder.

They created an online contest where people can create their own ads for the new Chevy Tahoe... complete with text written by each individual person. Then, each person gets a URL to their own ad.

Well, it reeeeeeeally backfired, and if you scan the blogosphere for for it you'll find numerous references, but here's a comple of shortcuts to help...

http://totaltactics.org/archives/2006/03/30/heavy-on-the-chevy/

http://blog.seattlepi.nwsource.com/environment/archives/102351.asp

Watch some of the ads that get listed in the various places, some are really quite well done. They just aren't quite the messages that I think Chevy was aiming for...