This question about actor endorsments doesn't seem like a good fit but seeing as we have a question asked about product placement's first occurence I wanted to get the community's feel for whether or not this question is valid for us.
Well, I feel that there's a disconnect between the two questions mentioned. The Product Placement question is about what the first product placement in a movie was. The new question seems to be more about commersials and celebrity endorsements of a product rather than a movie or tv series. I don't think it's ever been brought up before, but I personally consider commercials off-topic, and this question along with them.