So the sneaker companies do things now like going into the inner city and handing out new models to people. They look for trend-setting people who will wear these products on the street, and that propels interest among other people. I believe so. Yes, I believe so. Commercials do have some impact, but they are obviously ads and people know that.
People are defensive about ads.
There's a level of skepticism about them. But people aren't thinking of the shows as advertisements. In your book, you've examined how new necessities are born. Describe how this happens. There are different levels of the diffusion of products.