It actually is still somewhat of an experiment as of now. Bitcoin has many useful properties, but I think only time will tell what its most useful aspects really are. I believe we may not even see them now or at least don't know which ones of those will be the most striking ones (maybe POS payments don't make sense!!)
Well, it is true that "first movers" have an edge when it comes to acquiring Bitcoin, IMHO. Honestly, I'm somewhat tech savy and only heard about and started getting some Bitcoin in early 2013, after the price was much much higher than those that got in on the ground level.