OpenAI CFO Sarah Friar said the company's forthcoming AI hardware device "feels very natural." Mike Segar/Reuters OpenAI CFO Sarah Friar said it's hard to describe what it feels like to use the company's closely-guarded AI hardware device. "It feels very natural, but it feels very lovable," Friar said during a live interview at the "All-In Podcast" team's Liquity Summit in California. When the co-hosts of the "All-In" podcast pressed her on whether Jony Ive-led device is an earpiece, she joked about the legendary iPhone designer's potential response. "If I tell you it's an earpiece, Jony will come and steal my teenage son," Friar said. "I might give him to him." Friar described a visceral reaction to using the device. "What Johnny and team are really good at is bringing humanity to devices," she said. "I don't really know how to explain that well, but when you see it, you feel it." OpenAI has remained largely mum about what the device will be, leading to rampant speculation online.…