"Big computers and little computers are completely different beasts" Are we living in a period in which many things seems to be going backwards? With ARM tryin

"Big computers and little computers are completely different beasts" Are we living in a period in which many things seems to be going backwards? With ARM trying to go into servers/desktop, or the (somewhat) failed attempts to bring the tablet/phone interface to PC (Ubuntu and/or ugly full-screen-only apps)?