Billboards!
![Posted Image](https://www.dropbox.com/s/rwituidumm8ys0f/ScreenShotMiningCollectiveMaric.png?raw=1)
![Posted Image](https://www.dropbox.com/s/1zksuwqpnqtkmc2/ScreenShotRiverKurita.png?raw=1)
![Posted Image](https://www.dropbox.com/s/mqwp5nq1wzb87ot/ScreenShotCrimsonSteiner.png?raw=1)
![Posted Image](https://www.dropbox.com/s/mpg593iovetdd7y/ScreenShotCanyonDavion.png?raw=1)
Posters shamelessly stolen from this old thread.
Seriously though, adding propaganda posters or in-world advertisements for fake products helps a lot in world-building. It makes us feel were fighting in a world that people actually live in, instead of empty generic cities or barren wastelands.