50 years from now:
Snooker will have superseded pool as the dominant cue sport in terms of overall global popularity. A huge majority (if not all) of pool tables by then will have snooker-type pockets. FYI, JOY Billiards, a pool table manufacturer based from China, as far as I know is the first company to mass produce this type of pool table, and is now being used in one of the big Chinese 8-ball tourneys there.
The snooker-type pocket pool tables, and perhaps the type of cloth, would steadily change how pool players play the game. You will see them begin to adopt cueing techniques/style typically associated with snooker players, i.e distinct back pause, snooker stance, preference for stun/draw over sidespin/English. Gone are the days of using the closed bridge, the loopy stroke of the Filipinos and jump cues. And maybe most snake-oil aiming systems.
Consequently, the overall potting standard of an average pool player will approach that of an average snooker player. 8, 9 or 10-ball may give pool players a slight advantage when it comes to positional play.
So, 50 years from now, it may not be out of the realm of possibility that more professional pool players will also play snooker at a professional level.