Two digital video standards, two governance models, and a rivalry that has almost nothing to do with picture quality. How HDMI's FRL and DisplayPort's UHBR lanes actually move pixels, why DisplayPort daisy-chains and HDMI owns your TV, the open-source licensing fight that keeps HDMI 2.1 off open Linux drivers, and how to pick the right cable for the right device.
Connectivity
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HDMI vs DisplayPort: The Protocol War at the End of Your Cable -
Thunderbolt and USB4: How Tunneling Actually Works The single most important idea in modern connectivity is that the cable stopped carrying one protocol and started carrying a switchable fabric. How USB4 and Thunderbolt tunnel PCIe, DisplayPort, and USB3 over the same wire, the router-and-adapter architecture underneath, PAM3 and the 120Gbps asymmetric trick, the DMA security problem, and why the USB-C port is a lie.