The definition of viral marketing depends on who you ask. Some may say that it is an unethical and close to spam.Truthfully, there is really nothing unethical about it.Companies that make use of it are relying on word of mouth advertising to virtually sell their business, and word of mouth works exponentially.

Remember Mary Kay.  They are overpriced cosmetics that are not any better than anything else on the market. But the company has continued to be highly successful for one reason.Women buy them and then suggest that their friends buy them as well.

In order to be a successful Mary Kay representative, you would believe that the product is better.  You would then tell all of your friends that the product is better.  Next, you would ask your friends to sell the cosmetics.Then, they would tell their friends, and those friends would tell their friends, and so on.