Time will come that those people doesn't know about it will get an idea about bitcoin since this scene is not hidden anymore, we can see a lot of people sharing some words about bitcoin on social media places and also there would be a person on neighborhood will open up some topics about it so for sure bitcoin would slowly reach to them. Imagine if those people will accumulate and lots of buy orders will done so for sure that those people who bought while the price is kinda reachable would lucky if the surge of demand will came. Also remember that there's only few supply compare to numbers of people in the world so provably that it will be huge in future and we can see the price of bitcoin will rise. So buy bitcoin now and hodl since this is best thing to do.