Nice cars can evoke consumerism within individuals. Although your 2006 4Runner will get you to Point A from Point B the same as this Audi would, when you see other people driving in it it makes you want what you really don't need.
You can tell from my ITunes library that my taste in music tends to be country.
I believe having a big gate in front of your house in an average neighborhood is conspicuous consumption. No one else in this neighbor hood has a gate leading to their house, and it gives others the impression they are wealthy.
Stores are often popular due to the interaction approach. Friends and neighbors discuss low prices or good deals encouraging others to shop there.
Attending a concert with hundreds of other people creates collective effervescence. A stadium full of people there to see one of their favorite artists perform creates a certain kind of energy.