Crowd-marketing is a collective promotion or discrediting of this product/service through the feedback and comments on the internet. Participants of conspiracy daily publicize information on products, send out spam. Often responses can’t be trusted because of their bias, but many in crypto industry abuse it. It misleads investors of the real qualities of the project.
It is difficult to fight against manipulations of this sort and «price markups» of ratings, but there is a universal formula for scam: the existence of three key elements of any project — the legal status, quality of a product and providing of a token.