And this WoB you keep referring to... care to share with us?
Words of Brandon, aka canon hints/answers Brandon Sanderson has given in interviews or book signings. You can find a compilation of them here, but warning - if you haven't read all of the cosmere books, they're spoileriffic:
Chapter 84 (Decoded) Epigraph Message
in Stormlight Archive
Posted · Edited by dantlee
Words of Brandon, aka canon hints/answers Brandon Sanderson has given in interviews or book signings. You can find a compilation of them here, but warning - if you haven't read all of the cosmere books, they're spoileriffic:
http://www.17thshard.com/forum/topic/7267-words-of-brandon-compiled-x-2/