Last year, Luna introduced its Gen 2 smart ring. Now, the company is launching a major upgrade that will make the ring “the world’s first wearable you can truly talk to.”In short, you can use voice commands to log events throughout your day – what you ate, what you drank, the supplements that you took, any workouts that you did, even subjective feelings. Previously, you had to pull out your phone to do that. That extra bit of friction could cause you to put it off for later and forget to log important things.Luna Ring Gen 2The Luna Ring Gen 2 tracks all kinds of...