>EVERY OTHER CONNECTOR has gone through improvements. new USB standards. new video. everything. why is this any different? Physical improvements have been nece

>EVERY OTHER CONNECTOR has gone through improvements. new USB standards. new video. everything. why is this any different? Physical improvements have been necessary for USB to increase bandwidth. 3.5mm is a connector for carrying two (sometimes 3) analog signals, and backwards-incompatible changes aren't necessary until we develop a third ear.