The best way to increase the odds of person-to-person transmission of an idea is to make it a good idea and to give it “social worth,”

Math Trek: The Power of Being Influenced, Science News Online Influencer marketing strategies, like viral marketing, may be misguided, or at least not worth the cost/benefit tradeoff, particularly the sort of stunt-oriented work that has really taken off lately. What seems to matter more is the value of the information to be passed along. Funny things have value to the consumer, but the value to the company is a bit nebulous.