Noun
multi-level marketing (uncountable)
A sales system under which the salesperson receives a commission on his or her own sales and a smaller commission on the sales from each person he or she convinces to become a salesperson.
Disinformation meant to deceive and mislead people quickly takes on a life of its own as ardent followers unwittingly spread misinformation; and misinformation proliferates like a multi-level marketing (MLM) scheme, benefiting mostly the one on top of the pyramid. Newton Lee