It's almost guaranteed that somewhere out there, the next big thing is incubating amongst a group of passionate enthusiasts who are certain it's the next best thing. It's just that most of humanity thinks they're crazy geeks.
That's what it was like with the Internet. I got on it in 1994 and couldn't convince anyone else it was worth paying attention to. By 1995, gifted & talented enrichment programs were starting to suggest all their students check it out. By 1996, I could convince my parents to pay for it. By 1998 a bunch of our family friends were putting their life savings into dot-coms.