Some say NFC is dead, but GEAK from Shanghai wants to prove them wrong. Announced alongside the GEAK Watch earlier today was this GEAK Ring, a tiny NFC-enabled wearable device that stores your identity. The ring's pitched as an intuitive way to unlock your phone -- just hold it with the hand that's wearing the ring, and it'll unlock without having to type in the password; plus it'll stay awake as long as it's held in the same hand. Another feature is that since the ring has your contact details stored (presum