Most unexpected product placement: Future dream shoes

I think the most clever and unexpected product placement is the Nike concept shoes in the movie <Back to the Future>  that all the audience familiar with. The main selling point is that the shoes shine and lace up automatically. I think every movie's fan want this cool shoes.
Fortunately, after long-term technical research, Nike made the Nike Air MAG in 2011, which the shoes can light up after the charging. In 2015, Nike made shoes that can automatically lace up.

Fans of <Back to the Future> say:

from in-screen to off-screen, the small product placement spans 30 years and integrates technology, feelings and people's vision of the future. I think this is the most clever and unexpected product placement.