Some of today's library research:
In postmodern ads, people were portrayed as egocentric individuals, led to believe their lives needed to be enmeshed in ticking off iconic consumables from an expanding list of new variants of beloved products or the latest innovation. They were (and are still) led to seek a likeness between themselves & their shopping, or corporations they choose to patronise.
Advertising has advocated the substitution of living with 'having' a lifestyle.