Re: Interchangable micro-USB ports?
I just got a reply from a guy a RPi Foundation. Only one of the two has data lines, the other doesn't and is dedicated power only (but of course the former one can have a normal hub plugged into it via a USB OTG cable).
And the HDMI is actually a mini-HDMI, so again adaptor or suitable cable required. But there's an adaptor kit available from the PiStore which covers both, and is £4 and equally as out of stock as the Pi Zero itself.