This is a serious question, because honestly I have no idea what Apple was thinking when removing the SD card slot. With thunderbolt ports, it at least makes sense - sure, they're quite uncomfortable now, but they offer a lot of advantages. What is supposed to replace the SD cards? The cameras will still need some form of storage, and there is no point in sticking HDDs or SSDs in them, so they will most likely have flash memory anyway. So unless all camera producers slap a thunderbolt 3 on each one of them (and even then, you would still need to carry a thunderbolt 3 cable), you will still need to somehow connect the SD cards to your laptop. So...what is this more convenient thing that is supposed to replace the SD cards in the future?