Why is EVERYONE Using Two Different Strings in Their Racquet?

Why are pro's like Ben Shelton and Casper Ruud using two different polyester strings in their racquets? Should you hybrid two different poly's? How did poly-poly hybrids begin? What is the best tennis string?

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00:00 Pro's Are Using Pol-Poly Hybrids
00:29 Origin Story
01:01 The Max Spin Meta
01:44 Con's of Max Spin
02:33 The Holy Grail of SPIN
03:25 Square X Sharp/Zero Review
06:17 Zero vs Wasabi X as a Cross
07:13 Hyper-G Round
08:05 Tension Maintenance Comparison
09:03 HGR v Wasabi X
09:57 The BEST Crosses
11:05 How to Find YOUR Best Hybrid
13:31 The Search for Greatness
14:16 The BEST Mains

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*Grapplesnake USA only ships to the USA, Canada, Australia, New Zealand and Mexico. Cannot ship to Europe or Asia unfortunately.