I guess in some ways I am still a simple being...
In that whilst I am very familiar with images such as this one;
And this one;
It is still evem more amazing when seeing it first hand. I am currently setting up a Samsung Tablet that i am giving to my mother in law for her birthday, which has both Cellular capabilities, and in celebrating the greatest advantage android has over Apple; a memory card slot.
I saw the size and shape of a SIM card as they were only a few years ago next to the tray out of the tablet that holds both the Nano SIM, and the micro sd card, and couldn't help but be a little impressed.