I also love David Lynch's thoughts on product placement.

These clips are especially striking, because in the old days, Lynch couldn't even bring himself to say the f-word. According to Dennis Hopper—I can't find the source, but I think it was on Inside the Actor's Studio—Lynch would write the word on a piece of paper and point to it while giving him direction on his dialogue in Blue Velvet. He seems to have loosened up in the meantime. Maybe it's all that Transcendental Meditation...