Is There A Real Difference Between Left And Right Twix?

Right Twix, they say, “features chewy caramel on crisp cookie, cloaked in velvety chocolate” whereas the left bar is “smooth caramel on crunchy cookie, enveloped in creamy chocolate.” In 2017, they even started selling 2-packs of Twix labeled as containing “Two Left” or “Two Right” Twixes.