Smartphones are probably the ultimate computing device, for reasons of human physiology (opens in new tab)

In the most recent episode of The Talk Show, John Gruber and MG Siegler agreed that the smartphone will be difficult to overthrow as the dominant method of computing. Something unthinkable would need to happen for us to leave the phones at home in favor of watches, earbuds or pendants, Her-style. So, even if SoC and batteries improve to such extent that we could fit the 2040s equivalent of an M5 chip into a MacBook, iPhone and AirPods equally, and all with great battery life, people would sti...