I just got this in email
http://www.tomtop.com/2in1-smart-ring-galaring-g1-nfc-private-key-business-card-for-samsung-htc-sony-lg-etc-pa1486.html?aid=em2
I assume Chinese liked the idea and started to copy it :)
Problem is they are already advertising everywhere and selling tons...
Best regards,
Marin Cokari?