Headlining on Indiegogo right now is the Fin wearable bluetooth ring. While it may not keep you up to date on your messages like some other ring projects we’ve looked at, the Fin aims to be a super lightweight and unobtrusive user input device for any number of bluetooth gadgets. It took some work to figure out how it works, but even with that information, one wonders if they will really be able to deliver the performance and user experience they’re advertising.
