sama98b wrote:
Atm. just an alternative way to login.
yes its alternative login about protection for hacks you can translate in 
http://www.google.com/traslate_t  i think you have to got true phone and you can logn to web page from your phone and web gives you otp code(or something like that) and you can login i dont know what is good thing inside (so i never understand koreans even lang. 

 )