India, Jan. 1 -- We've seen "AI pins" more or less fail. The mixed-reality headsets haven't caught on (the disorientation and dizziness they cause are just a few of the problems). Smart glasses such as Meta and Ray-Ban's have worked, and smart watches are both popular and increasingly more affordable. Expect new kinds of AI hardware to take shape in 2026. A firm signal on this front comes from OpenAI's partnership with Apple's former head of design, Jony Ive. Of course, the question to ask now is: Do we need another gadget on which to run AI, when our smartphones and computers, spectacles and watches, already do? Regardless, new frontiers abound, as Google's quickened rollout of Gemini for smart speakers and home-automation systems has show...