The USB Paradox: Why Do USB Connections Need Three Tries?
The USB Paradox: Why Do USB Connections Need Three Tries? It’s happened to everyone: You try to plug in a USB connector, and it doesn’t work. So you flip it, and it still doesn’t work. Frustrated, you flip it a third time—and it fits! Why is this experience so common with USB? Decades of Flipping USB Cables Around Modern USB-C connectors don’t have this problem. You can plug them in either way. USB has definitely improved on its design, and the problem is going away. But we’ve still been flipping those USB sticks back and forth for decades now. So let’s look at why that is.
Source: howtogeek.com