Bitcoin did not spread because of social media, but rather because it provided a solution to an economic problem, whose features began to appear in the year 2008 accompanying the mortgage crisis, urging that Satoshi did not pay much to promote this technology, unlike what is happening now, for example, TikTok paid more than a billion dollars in one year To promote and advertise, something that has not happened in the history of Bitcoin.
If your service is good and solves a problem, it will be lucky to spread for free.