A way of increasing demand by aggressively bringing the product to the attention of consumers.
Advertising may be liminal, subliminal, open, subversive, memetic, intelligent, ai, or any of a million other possible variants. Advertising is banned or strictly controlled in some polities and empires, selective in others, unregulated in others again, and any variation in-between. Always a good source of extra income, especially in the NoCoZo, the Terran Federation, and various Free Zones, advertising is often considered tacky and tasteless in the Solar Dominion, an unnecessary waste of orderliness in the Negentropic Alliance, demeaning to sentients in the Utopia Sphere, and too materialistic in the Sophic League.
Free Madvert League - Text by M. Alan Kazlev A society formed by the obsessive postneogen cyborg Durant Durang for the liberation of Madverts. To date they have (by means of smart ai viruses, specially customized godseeds, or other means) freed several tens of trillions madverts. On some NoCoZo polities like Atlantis it is perfectly legal to kill a member of the Free Madvert League, even one that doesn't have any recent copies.
Free Madverts - Text by M. Alan Kazlev Madverts that have been released of their corporate programming. While no longer compelled to sell the products of their original company, they are frequently unable to break through to a broader state of existence. Most end up joining religious sects that require strict devotion and little independent thought. They are widely seen as a pest of only somewhat better (or sometimes worse) standing than slaved madverts.