Unlikely. The next square-like-unicorn could still use an el-cheapo Bluetooth audio for the same thing in the same way (or some other Bluetooth protocol like a

Unlikely. The next square-like-unicorn could still use an el-cheapo Bluetooth audio for the same thing in the same way (or some other Bluetooth protocol like a keyboard). It won't be quite as cheep as an audio plug, but it will still be cheap enough for the cost to be dominated by other things.