Google realized that it was going to make a lot of millionaires when they went public, so they hired financial advisers to give lectures at Google, explaining to all these soon-to-be-rich people how to manage their money. Here's some of the advice they got: http://web.archive.org/web/20080109024137/http://www.sanfran... (The original seems to be gone, so I'm linking to an archive instead.)
I would run ads on tv that wouldn't sell anything and instead teach random scientific things and debunk popular myths. After seeing the same video for the hundredth time I think it wold stick.