olemus
turundus, mis põhineb viirusetaoliselt levival reklaamil ja tungib aktiivselt sotsiaalvõrkudesse
= marketing which generates interest in a brand or product (and therefore potential sales) through messages that spread quickly from person to person

ülevaateid
https://en.wikipedia.org/wiki/Viral_marketing
https://www.cyberclick.es/numericalblogen/what-is-viral-marketing-advantages-and-examples
https://www.omnikick.com/viral-marketing-techniques/
https://www.copypress.com/kb/marketing-channels/complete-guide-to-viral-marketing/