http://www.techradar.com/news/new-faster-hdmi-21-cables-are-on-the-way-heres-what-you-need-to-know

When HDMI first arrived on the scene, everyone rejoiced at no longer having to use bulky SCART connectors, or the confusing component video cables, ever again. 

Instead HDMI offered high definition video with a connector that was just a little bigger than a standard USB plug.