non-mainstream publicity is personality, alternative, non-mass, not blindly following the current trend of the general public, emphasizing their own self clothing, clothing, words and deeds. non-mainstream means is not the most popular thing ... is relatively advanced or backward from the number of speaking, the pursuit of non-mainstream people for a relatively small, more called the mainstream. there is the mainstream not the mainstream. mainstream and non-mainstream is the coexistence from the literal meaning on, for instance : hiphop`r&b or blues in the west are living in the mainstream status in the past as china is the non - mainstream, but now gradually move toward mainstream status gradually lost mainstream position is kind of like the little tigers. is also called a " experimental, "" avant-garde "and" vanguard "that the alternative meaning.