Some of the readings in the book talk about discourse also. The Incredible Shrinking Sound bite written by Kiko Adatto talks about how news shows and radio take things out of context to make people sound good or really stupid. Bring You the News which is about how people sometimes know what is going on by going to their local movie theatre, or going down to the nearest record store. These are both good examples of discourse. The one example where discourse is at a very high existence is in advertising.
Advertising is all about what companies can do to sell their newest product.
The discourses involved in advertising are gender, race, age, and politics. All of these discourses are very important in advertising today.