(Image credit: Future) After months of speculation, Samsung finally announced the Galaxy Ring today at Unpacked. The new smart ring looks as you'd expect (its a ring, after all) but behind the shiny exterior, the wearable is packed with health and fitness sensors. It needs to if it stands a chance of competing with the Oura Ring Gen-3, the current market leader. But while Oura's strength has always been its interoperability, the Galaxy Ring's integration with all things Samsung may be the key to...