Social media is something which is more popular among the crowd these days it is in fact something which has more affect and something which give more publicity than any other forms of media.There are several forms of media promotion which we can rely on in our day to day life they are like radio,newspaper,television and so on like wise it goes but social networking is something which has more reach these days as there are more number of people who depend or who are active on social media than any other media forms and hence i think social media promotion is more important and it is least expensive these days so that it has more reach to the public.Even though google has banned btc ads on it has slightly affected the market value of btc and now it has already started recovery as there are lot other ways so that btc can be promoted and it can also be said that social media is playing an important role for the promotion of btc