➀ USB 2.0, introduced in 2000, revolutionized data transfer with 480 Mbps speeds, replacing legacy ports like parallel and serial interfaces;
➁ Despite delayed adoption by PC makers and OS support, it became mainstream by 2004 due to cost-effectiveness and compact design;
➂ Even with modern USB4 offering 80 Gbps, USB 2.0 remains widely used for low-speed peripherals like keyboards and budget devices like the iPhone 16e.