One of our clients did very courageous thing. He spent a lot of money in our studio to get 3 short animated movies, that actually were not about his business. No pulsing logotypes and repeating company names 100 hundred times during one commercial!;) Not too popular approach.
Instead he wanted funny animation and only subtle info in the end of it. Just a company name and one slogan.
What he achieved by that? When showing these movies in the middle of IT Expo in Las Vegas he gained a lot of attention from people circulating there. And this attention was converted to business conversations.
Nobody would want to stand and watch movies showing boring product presentations. Especially in Las Vegas.
Here is one of the three: