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Re:Have You Ever Tried to Sell a Diamond? (1982) by fnord77 on Wednesday August 28, 2019 @05:10PM (#20824001)
Just off the top of my head:

-Lots of relentless propaganda trying to differentiate and demonize political parties (liberals/democrats bad and hate america!) when in reality there's not much difference between mainstream elements of both parties outside of wedge issues.

-Lots of green-washing propaganda (consuming product X is good for the environment)

Re:Have You Ever Tried to Sell a Diamond? (1982) by whatshisface on Wednesday August 28, 2019 @05:25PM (#20824123)
Add "super foods" to that list, which vary in actual health value but are all heavily supported by their associated agricultural consortium.
Re:Have You Ever Tried to Sell a Diamond? (1982) by derefr on Wednesday August 28, 2019 @06:02PM (#20824493)
The former has been going on forever; the latter has been going on for at least as long as environmentalism itself.

Also, both of these are "industry trends", where I think what the parent is asking for are campaigns unique to a single company and a single advertising agency, but with far-reaching effects on public perception beyond that company's brand.