It’s not too dissimilar from MLMs, and those are older than the oldest living human, dating at least to the early twentieth century. https://en.wikipedia.org/w

It’s not too dissimilar from MLMs, and those are older than the oldest living human, dating at least to the early twentieth century. https://en.wikipedia.org/wiki/Multi-level_marketing https://en.wikipedia.org/wiki/Multi-level_marketing