HOW Snoke ACHIEVED Hyperspace Tracking in The Last Jedi (CANON) - Star Wars Explained

In Star Wars The Last Jedi, we get to see the First Order's new ability, Hyperspace Tracking. This is something Palpatine had been working on during the times of the Galactic Empire, as we even saw in Rogue One. Just HOW did Snoke learn of this new ability that helped the First Order find the Resistance?

How could this play into Kylo Ren now as Supreme Leader?

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