Samsung Galaxy S III US Signup:
Samsung Galaxy S III US Signup page goes live on Samsung site, Samsung fans in US can go live and register to find the update on availability, release date and alerts online by registering online .
Samsung Galaxy S III US availability
Global Galaxy S3 site is already live, US customers can sign up or use Facebook,twitter page for Galaxy S3 availability,release date, carrier availability online.
Samsung Galaxy S III US availability
Source : Samsung Galaxy S III US