Zooming sounds too basic to matter until you spend a long editing session constantly moving in and out of the canvas. Photoshop work gets slower when navigation feels clumsy.
This quick tip focused on two fast ways to zoom around a project. The point was not to show off a hidden feature. It was to make the most common movement in Photoshop feel more natural.
For detailed work, fast zooming helps you move between the big picture and the tiny fixes without losing your place. That matters when you are retouching, lining up elements, checking edges, or comparing before and after states.
My practical advice is simple: learn the navigation shortcuts before you worry about the fancy tools. If you can move through the canvas quickly, every other Photoshop task feels a little less annoying.